You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Carolyn Rodriguez.

ASSISTANT: How can I assist you?

USER: Can you help me to book a flight from PHL to DEN?

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: My journey dates are 06/04 and 06/06.

ASSISTANT: Delta airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Proceed with booking.

ASSISTANT: I have successfully booked your ticket with flight-1002, have a safe flight.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.