You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Lisa Hall. I want to make trip with my family to CO - DEN from PA - PHL. Could you please help me to book a connecting flight?

ASSISTANT: Sure, please provide your journey dates.

USER: Ok, my planned trip dates are 10/21 - 10/23.

ASSISTANT: Ok, how much do you want to spend on your ticket?

USER: I can spend up to 5000.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight found in 1001 JetBlue airline with a fare of 100. Can I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Sure, your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for approaching us.