You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Melissa Baker. I want to book a ticket from CLT to PHX, can you help me in booking a ticket?

ASSISTANT: Sure, when are you planning to travel?

USER: My travel dates are from 03/09 to 03/11.

ASSISTANT: Please provide your specifications.

USER: My price limit is 200. I need a lay by.

ASSISTANT: UA airlines with single connection and price is 100 of 1019 flight. Shall I proceed for booking?

USER: Yes, please go ahead.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.