You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from PHX to SFO locations, can you please help me in booking a flight ticket?

ASSISTANT: Sure, may I know your travel dates please?

USER: My travelling dates are from 07/12 and 07/14.

ASSISTANT: Delta airlines is having a flight on that route with travel charge of 100, shall I proceed booking?

USER: Sure, please proceed with it.

ASSISTANT: May I know your name please?

USER: Myself Ryan Walker.

ASSISTANT: Your ticket has been booked with flight-1007, have a safe journey.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.