Given the task definition and input, reply with output. In this task, you're given a dialogue between a customer and a flight booking agent with a gap in the conversation. Your job is to find the answer of the previous dialogue. Avoid using irrelevant extra information while creating the answer. The answer should be relevant to the question before the blank. If you fill the blank with a question, it should have an answer from the agent in the given dialogue. Fill the gap marked with underline.

customer: Hello. 
 agent: Hello. How may I guide you? 
 customer: I am Sarah Edwards. I am planning to cancel my recent reservation. Can you please cancel my ticket? 
 agent: Sure, I can help you to cancel your ticket. 
 customer: Sure. 
 agent: Please wait a minute, I will check your ticket and then I will proceed with the ticket cancellation. 
 customer: Sure, take your own time. 
 agent: Ok Sarah Edwards, I have found your ticket in the confirmation list. 
 customer: Please cancel it. 
 agent: I have successfully cancelled your ticket. 
 __ 
 agent: You are welcome.

customer: Thank you for your service.