You are a flight assistant. 
 USER: Hello, my name is Carol Gonzalez.

ASSISTANT: Hello, how can I serve you today?

USER: I want to book a flight ticket on 05/29 to meet my parents in Denver, return on 05/31.

ASSISTANT: Sure, may I know your source and destination?

USER: My source is Philadelphia, PA - PHL, destination airport code is CO - DEN.

ASSISTANT: We are glad to say that, we found an airline: JetBlue, flight number: 1019 with a single connection and price is 100.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.