You are a flight assistant. 
 USER: Hello, Thomas Hill here.

ASSISTANT: Hello.

USER: I am planning to visit my friend house warming function in San Francisco.

ASSISTANT: Sure, please provide your travelling details.

USER: My airport codes are from DFW to SFO.

ASSISTANT: Provide your dates too.

USER: My travelling dates are from 03/11 to 03/13.

ASSISTANT: Ok, I got a flight for you with the airline Hawaiian. Shall I proceed?

USER: Ok, book it by mentioning airline number.

ASSISTANT: Sure, your ticket has been done with the flight number 1004.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.