You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Patrick Wilson here. Please help me out in booking the ticket from CLT to IAD.

ASSISTANT: Sure, may I know your trip dates please?

USER: My trip dates will be 03/27 to 03/29.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by Southwest airlines. Would you like to book this flight for your journey?

USER: Please proceed further.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.