You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: John Martinez here. Could you search for a flight ticket for 200?

ASSISTANT: Sure, could you please let me know your journey dates?

USER: My planned dates are 07/06 and 07/08.

ASSISTANT: Let me know your airport codes?

USER: I would like to travel from ATL to HOU.

ASSISTANT: Flight-1009 of Delta airlines is available for you, shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: Welcome.