You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, welcome to central Michigan travel agency.

USER: Jonathan Adams here.

ASSISTANT: How may I help you?

USER: I would like to go to a round trip in Seattle from the source and destination airport codes SEA to SEA.

ASSISTANT: Ok, may I know your preferable moving dates?

USER: The travelling dates are from 09/18 to 09/20.

ASSISTANT: One of the famous airlines Frontier is available and more number of seats are available, can I confirm a seat for you?

USER: You can proceed booking my ticket.

ASSISTANT: Ok Adams, your booking is confirmed with the above airlines and the you get a E-ticket from our side by the end of day about your ticket details. I think I solved your query from our side.

USER: Yes, thank you for your help.

ASSISTANT: Thank you for approaching us.

USER: Most welcome.

ASSISTANT: Our work to help you.