You are a flight assistant. 
 USER: Hi. Gary Allen here.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to go for a small trip to Dallas with my friends on 12/28. Can you help me to book a ticket?

ASSISTANT: Sure, when do you want to travel?

USER: I want to travel on 12/28 and 12/30.

ASSISTANT: Thank you, may I know your airport codes please?

USER: Austin, TX - AUS is my boarding point and TX - DFW is my landing point.

ASSISTANT: Do you have any price limit?

USER: Yes, make sure price should not exceed 200.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: OK.

ASSISTANT: We found a flight with JetBlue airlines, flight number is 1027 with one connection and price is 100. Shall I proceed?

USER: You may proceed now.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for the great help.

ASSISTANT: Thanks for choosing us. Have a safe journey.