You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Charles Hall. Can you find a flight from DFW to EWR?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: Sure, my travelling dates should be 07/29 and 07/31.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Flight 1002 of Frontier airlines available for you, can I book it?

USER: Yes, please.

ASSISTANT: Ok, your booking is done.

USER: Thanks for your help.

ASSISTANT: Welcome.