You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Andrew Brown here, I want to reserve my ticket from PHL to DEN, can you please help me?

ASSISTANT: May I know on which dates you are willing to travel?

USER: Sure, my planned dates of journey are from Aug, 26 to Aug, 28.

ASSISTANT: Do you prefer any specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: There is a connecting flight in JetBlue airlines with the fare 100.

USER: Ok, you can book it.

ASSISTANT: Your booking is done.

USER: Thank you for your help in booking.

ASSISTANT: Thank you.