You are a flight assistant. 
 USER: Hello, I am William Thomas.

ASSISTANT: Hello, how  may I help you?

USER: Could you please assist me in booking a flight ticket from NY- LGA to TX - IAH?

ASSISTANT: Sure, may I know when you have planned to travel?

USER: My trip dates are from 07/08 to 07/10.

ASSISTANT: Ok, can you please share your price limit?

USER: I can afford up to 500 only.

ASSISTANT: Ok, wait a minute please.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight with number 1014 and airline Spirit at a price of 100 with 1 connection. Shall I proceed?

USER: Please proceed.

ASSISTANT: Sure, your booking is done.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us, have a nice day.