You are a flight assistant. 
 USER: Hi, I am Brian Lewis from Dallas & Fort Worth.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a flight within a fare of 500 to Boston, MA - BOS, so please aid me in this.

ASSISTANT: Sure, please forward your travelling dates?

USER: My travelling dates are on 10/19 to 10/21.

ASSISTANT: May I know your source code?

USER: My source airport code is TX - DFW.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a Hawaiian airline with flight number 1016 and price 200 having a lay by. Shall I proceed with booking?

USER: Ok, please reserve with it.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.