You are a flight assistant. 
 USER: Hello, I am John Gonzalez.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket to IAH for an film shout, can you help me in booking a ticket from LAX?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are from 07/29 to 08/31.

ASSISTANT: Do you want any specification?

USER: My price limit is 200.

ASSISTANT: There is no flight on your details.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you.