You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Anthony Miller and I want to book a flight ticket. I would like to travel from CO-DEN to MA-BOS.

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dares are from 09/19 to 09/21.

ASSISTANT: Ok, please wait a while.

USER: Ok.

ASSISTANT: Thanks for waiting. There is a UA airline with flight number 1021 and price of 100 matching your details.

USER: You can proceed with this airline.

ASSISTANT: Ok, your reservation is done.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.