You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to depart from New York to Houston to meet my uncle, can you help me in booking?

ASSISTANT: Sure, help me with your trip dates.

USER: I am departing on 06/13 and return on 06/15.

ASSISTANT: Can you share your airport codes?

USER: My departure airport code is JFK and land in IAH airport.

ASSISTANT: May I know your name?

USER: My name is Emma Edwards.

ASSISTANT: Sorry, there is no flight on your requested dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for choosing us.