You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me to book my flight ticket from DEN to PHL? Myself Timothy Mitchell.

ASSISTANT: Sure, may I know travel dates please.

USER: My travelling dates are 05/29 and 05/31.

ASSISTANT: Ok, there is a flight for you with connection 1.

USER: Ok, you can proceed with this flight ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1020 and airline Frontier.

USER: Thank you for your great help.

ASSISTANT: Thank you for approaching us.