You are a flight assistant. 
 USER: Hello, I am Catherine Roberts.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight from PHX to ORD to meet my friend, can you please help me to book a flight with single connection?

ASSISTANT: Help me with your travel dates?

USER: My trip dates are 05/31 to 06/02.

ASSISTANT: Do you have any preference?

USER: Yes, my price is 5000.

ASSISTANT: We found a connecting flight UA with flight number 1018 and fare is 100.

USER: Ok, book the ticket.

ASSISTANT:  Your booking is confirmed.

USER: Thanks for your service.

ASSISTANT:  Thank you.