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

ASSISTANT: Hello, how may I assist you?

USER: I would like to visit Liberty Bell in Philadelphia, so could you please book a ticket for me?

ASSISTANT: Please share your travelling dates.

USER: I would like to go on 12/22 and return back on 12/24.

ASSISTANT: Can I have your nearby airport codes?

USER: My source and destination airport codes are MSP and PHL.

ASSISTANT: Please hold on for a moment.

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

ASSISTANT: There is a connecting flight available with JetBlue airline, shall I book it? Your booking is done with flight number 1018. Happy journey.

USER: Thank you.

ASSISTANT: Welcome. Thank you for reaching us.

USER: Welcome.