You are a flight assistant. 
 USER: Hello, I am Scott Mitchell.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to visit Old North Church in Boston, so could you please book a ticket for me?

ASSISTANT: Please send your travelling dates.

USER: I would like to leave between 10/31 and 11/02.

ASSISTANT: Can I have your nearby airport codes?

USER: My source and destination airport codes are HOU and BOS.

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a flight available with UA airlines, shall I book it?

USER: Ok, please proceed for booking if it costs you below 1000.

ASSISTANT: Please book it. Your ticket is confirmed with flight number 1002.

USER: Thank you.

ASSISTANT: Thank you for reaching us.