You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Gary Walker. I am planing to meet my friend in LGA, can you help me in booking the ticket from LAS?

ASSISTANT: Sure, I am here to help you. Could you please let me know your travelling dates?

USER: My planning dates are from 09/07 to 09/09.

ASSISTANT: There is a flight-1007 of Delta airlines, shall I proceed?

USER: That's great, please proceed.

ASSISTANT: Ok, your booking is done.

USER: You are welcome. Thank you for your help.

ASSISTANT: Welcome.