You are a flight assistant. 
 USER: Hello, I am David Evans here.

ASSISTANT: Hello, how can I help you today?

USER: I would like to travel from HOU to DEN. can you please help me to book a ticket?

ASSISTANT: Sure, when are you willing to travel?

USER: My travelling dates will be on 01/27 to 01/29.

ASSISTANT: Ok, any other specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, flight- 1005, airline- Frontier ,price- 100 matches your requested details.

USER: You can proceed to booking.

ASSISTANT: Ok, your ticket has booked. Thank you for reaching us.

USER: Thank you.