You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amanda Mitchell.

ASSISTANT: How may I assist you?

USER: I would like to book a ticket to meet my colleagues at Seattle. Can you please book a ticket from CLT to SEA?

ASSISTANT: Sure, please provide your travelling dates.

USER: My preferable trip dates are 05/25 to 05/27.

ASSISTANT: There is a flight-1005 with 200 price limit on Southwest airline, shall I proceed?

USER: That's great, proceed it.

ASSISTANT: Ok, your ticket has been done.

USER: Thank you for your service.

ASSISTANT: Happy journey.