You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Charles Carter. I want to book a flight ticket from DFW to SEA. Could you help me in booking?

ASSISTANT: Sure, may I know when are you willing to travel?

USER: My travelling dates are from 05/18 to 05/20.

ASSISTANT: Do you need any halt during you flight?

USER: Yes, I need a halt.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: We have a connecting flight from AA airline number 1001 and the price is 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your seat is reserved in economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.