You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to book my ticket from PHL to DEN. Can you please help me with booking?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My planned travel dates are from Jan 18 to Jan 20.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight in my journey.

ASSISTANT: Give me a moment.

USER: Sure, take your own time.

ASSISTANT: I have found an economy class ticket with a price of 100 and it is a direct flight.

USER: Yes, please proceed with that ticket booking.

ASSISTANT: Can I know your name for booking?

USER: Sure, Ryan Collins.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us.