You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help from us?

USER: Could you please book a flight ticket from PHX to SFO as I want to attend a storytelling festival?

ASSISTANT:  Sure, may I know your departure and arrival day?

USER: I want to depart on July 21 and return back on July 23.

ASSISTANT:  Ok, could I have your name please?

USER: My name is Cynthia Jones.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a single connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: The economy class with flight number 1017 of Hawaiian airline is available having fare as 100 and connection as 1, is it ok for you?

USER: Ok, proceed with the booking.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 4:00 hours and the arrival time is 2:00 hours.

USER: Thank you for the help.

ASSISTANT: You are welcome, have a great day.