You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Melissa Martinez. I want to book a ticket from AUS to MSP, can you help me?

ASSISTANT: Sure, I will aid you. May I know your travelling  dates?

USER: My travel dates are 12/07 and 12/09.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: There is a flight found with number 1002 in UA airline and the ticket cost is 100.

USER: You can book it.

ASSISTANT: your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you.