You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I need to book a flight ticket to attend a meeting, can you please help me to find a flight from Seattle to Denver?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Thank you. I have planned my trip to travel on the dates of Sept 14 and 16.

ASSISTANT: Can I know your airport codes please?

USER: The source and destination airport codes are SEA and DEN.

ASSISTANT: Can I know your preferences?

USER: I need a single connecting flight.

ASSISTANT: Do you need any specifications?

USER: I prefer to travel in an economy class flight. So, please search for that.

ASSISTANT: Can I know your name please?

USER: My name is John Jackson.

ASSISTANT: There is a flight with connection 0 and flight number 1026 with Frontier Airlines, can I proceed?

USER: I am ok with this flight to travel, please reserve the ticket for me.

ASSISTANT: Ok, your ticket has been booked with economy class.

USER: Thanks a lot for your help.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.