You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am Christopher Walker. I have to attend a meeting with the business clients in Seattle, can you please book the flight ticket from Denver?

ASSISTANT: Sure, may I know your travelling dates?

USER: Ok, I am planning to travel on the dates of 06/08 and 06/10.

ASSISTANT: Ok, can I have exact airport codes?

USER: The departing airport is DEN and the landing airport is SEA.

ASSISTANT: Ok, wait for a minute.

USER: Ok, please make sure that the connection limit should be 1.

ASSISTANT: Yes, I have found a flight with the Frontier airlines. Can I proceed with the booking?

USER: Ok, please proceed with ticket booking.

ASSISTANT: Yes Walker, your booking is confirmed with the flight number 1012.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for reaching us, have a safe journey.