You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am planning to go for a trip to Washington DC - DCA from Las Vegas, NV - LAS. So please book a ticket for me.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 09/27 and 09/29.

ASSISTANT: We found a flight from Southwest airline with 1 connection and fare is 400 with economy class. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked with 1013 flight number.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Can I know your name?

USER: Sure, Nicholas Turner is my name.