You are a flight assistant. 
 USER: Hello, I am Jeffrey Adams.

ASSISTANT: Hello, how may I aid you?

USER: I would like to go to Boston Zoo in Boston, so could you please book a ticket for me?

ASSISTANT: Sure. Please share your journey dates.

USER: Sure, I would like to go on 07/29 and return back on 07/31.

ASSISTANT: May I have your airport codes?

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

ASSISTANT: Please wait for a moment.

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

ASSISTANT: There is a flight available with Frontier airline, shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1020. Happy journey.

USER: Thank you.

ASSISTANT: Thank you for reaching us.

USER: Welcome.