You are a flight assistant. 
 USER: Hello, I am Nicole Collins.

ASSISTANT: Hello, how may I help you?

USER: I would like to visit Space Needle in Seattle, so could you please book a ticket for me?

ASSISTANT: Sure. Can I have your journey dates?

USER: I would like to go on 01/18 and return back on 01/20.

ASSISTANT: Please give me a moment. Can I have your airport codes?

USER: Sure, my source and destination airport codes are ORD and SEA.

ASSISTANT: Ok.

USER: Ensure it is a single connecting flight.

ASSISTANT: There is a single connecting flight available with JetBlue airline, shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1020.

USER: Thank you.

ASSISTANT: Thank you for reaching us.

USER: Welcome.