You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to book a ticket to attend a meeting at PHX. Can you please help me out from ORD?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: I would like to travel on Apr 08 and return back on Apr 10.

ASSISTANT: Do you need a connecting flight?

USER: I am looking for a connecting flight.

ASSISTANT: Could you please let me know your other specifications?

USER: I am ok with any requirements.

ASSISTANT: We found a flight of Untied airline, flight number 1028 with the fare of 200.

USER: That's fine, please proceed the booking.

ASSISTANT: Can I know your name?

USER: My name is Carolyn Lee.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.