You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to meet my father-in-law at Houston, could you book my ticket from Phoenix?

ASSISTANT: Sure, can you please provide your nearest airport codes of journey?

USER: I will be travelling from PHX to IAH.

ASSISTANT: May I know your planned dates of journey please?

USER: My itinerary dates are 07/03 and 07/05.

ASSISTANT: Meanwhile, please provide your name.

USER: Brian Harris here.

ASSISTANT: Wait a moment please.

USER: I can afford 200 for my ticket.

ASSISTANT: Brian Harris, there are no flight services available on this route with your preference of ticket fare of 200.

USER: No problem, thank you.

ASSISTANT: Thank you for contacting us.