You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Gary Lee here.

ASSISTANT: How may I help you?

USER: Reserve a flight ticket for me that is from DFW to JFK.

ASSISTANT: Sure, can you please let me know your travelling dates?

USER: I need a connecting flight. My travelling dates for journey are 05/14 to 05/16.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight 1009 from AA airlines, shall I proceed?

USER: You can book it.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Welcome.