You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from HOU to DEN. Can you help me to book a flight ticket?

ASSISTANT: Let me know the travel dates please?

USER: I want  to fly in the flight on May 17 and May 19.

ASSISTANT: Is there any class preference?

USER: I prefer economy class.

ASSISTANT: Is there any airline preference.

USER: No, but I want to have a connection of 1.

ASSISTANT: Sure, are there any more preferences?

USER: No.

ASSISTANT: Let me know your name please.

USER: I am Richard Thomas.

ASSISTANT: Give me a moment.

USER: Ok, take your time.

ASSISTANT:  Thank you for waiting and we have found a flight in economy class with single connection in Frontier airlines with flight 1003 and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Proceed to booking.

ASSISTANT: Your ticket is booked and departure: HOU 12:00PM May, 17 arrival: DEN 15:00PM May, 19.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.