You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to travel from DFW to IAD as a business trip. Can you do the reservation?

ASSISTANT: Sure, I am here to help you. When you have planned to travel?

USER: My journey dates are 04/23 and 04/25.

ASSISTANT: Can I have your name please?

USER: Sarah Robinson here.

ASSISTANT: At what time, you have planned to travel?

USER: I am comfortable with any time.

ASSISTANT: Thanks for your details, please wait.

USER: Ok.

ASSISTANT: Thanks for your time, there is a connecting flight with a fare of 100 in 1007 UA airline. Can I proceed?

USER: Go ahead.

ASSISTANT: Ok, we have reserved your ticket in economy class.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.