Instructions: 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.
Input: customer: Hello. 
 agent: Hello. How can I assist you today? 
 customer: I want a direct flight from Orlando to Phoenix. 
 agent: Sure, can you please share your travel dates? 
 customer: My journey dates are 09/11 and 09/13. 
 agent: Could you please help me with airport codes? 
 __ 
 agent: May I know your name to proceed further? 
 customer: Donald Roberts here. 
 agent: Donald, there is no flight available at your requested dates. 
 customer: It's ok, thank you for your help. 
 agent: Thank you for contacting us.
Output:
customer: My airport codes are MCO and PHX.