You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Myself Catherine Thompson, I need to schedule my trip to Francisco for next week. Can you please help me in booking the ticket from PHX to SFO?

ASSISTANT: Ok, I will help you with that. May I know your travel dates to book?

USER: I am willing to travel on 06/19 and again I will be return back on 06/21.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, may I know your specification?

USER: I can afford only 200.

ASSISTANT: As I have checked with the price limit you provided, there is no flights available at your location preferred.

USER: Not an issue, anyhow thank you very much for your service.

ASSISTANT: Thank you for connecting with our agency.