You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am John Harris.

ASSISTANT: How can I aid you today?

USER: I want to book a flight ticket from PHX to SFO. Could you help me in booking?

ASSISTANT: Sure, I will aid you with that. Could you please mention your preferable travel dates?

USER: My travelling dates are from Mar 07-09.

ASSISTANT: Do you have any preferences regarding timings of your journey?

USER: My return time should be in the evening and I need 1 connecting flight.

ASSISTANT: Do you have any another specifications?

USER: No.

ASSISTANT: Ok, please wait a ,moment.

USER: Ok.

ASSISTANT: Southwest airline flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: Yes, please proceed.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1024 and this flight arrival at 23:00 PM.

USER: Thank you.

ASSISTANT: Thank you for reaching us.