You are a flight assistant. 
 USER: Hello,. I am Brandon Allen.

ASSISTANT: Hello, How can I help you?

USER: Can you please reserve a flight ticket with connecting flight under the fare of 200?

ASSISTANT: Sure. May I know your travelling dates?

USER: My journey dates are, depart on Dec 31st and return on Jan 2nd.

ASSISTANT: Can you share me your airport codes?

USER: My airport codes are, IAH to OAK.

ASSISTANT: In which class do you want to travel?

USER: I am comfortable to travel in any class.

ASSISTANT: You have a flight 1015 in UA airline and price 100 with a connection, Shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thank you.