You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Frank Jackson.

ASSISTANT: How may I assist you?

USER: I am planning to travel from PHX to OAK, can you help in booking a flight for me?

ASSISTANT: Sure, may I know your planned journey dates please?

USER: My travelling dates are 03/28 to 03/30.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: I found a flight for you in Delta airlines with price 100. Can I proceed?

USER: Proceed for booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1005.

USER: Thank you.

ASSISTANT: Thank you for choosing us.