You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I support you?

USER: Myself Patrick Lopez.

ASSISTANT: Ok.

USER: I have to attend a business meeting in Denver next month so can you please book a flight ticket from DCA to DEN?

ASSISTANT: Sure, I am gleeful to help you.

USER: Thank you for your response.

ASSISTANT: May I know your travelling dates please?

USER: I want to take off on 05/24 and please confirm my return ticket also on 05/26.

ASSISTANT: Ok, how much do you afford on your trip?

USER: My budget limit is 200.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: There is a connecting flight found in Delta airline with a fare of 200. Shall I proceed?

USER: Please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been reserved with flight number 1017 in economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.