You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am Nicholas Carter. I would like to book a ticket from HOU to SFO, can you please help me out?

ASSISTANT: Sure, I am here to help you. Can I know your planned trip dates?

USER: I am travelling on these dates 07/10 and 07/12.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: The AA airlines are providing a flight having a connection limit 1 with the ticket fare is 800. Can I proceed with the booking?

USER: My price limit is 200.

ASSISTANT: Please wait for a minute, so that I will search with the 200.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flight's based on your ticket fare.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.