You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Christine Davis here.

ASSISTANT: How may I help you?

USER: I want to travel from DTW to SFO for attending a meeting. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you out. May I know your travelling dates please?

USER: My departure date is 07/22 and return date is 07/24.

ASSISTANT: Ok, please wait a moment.

USER: Make sure my price limit is 200.

ASSISTANT: There is a flight with one connection, can I proceed with this flight?

USER: Please proceed for booking the ticket.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing our services.