You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your good name please?

USER: I am Barbara Jones and I would like to book a flight ticket to Boston, can you help me?

ASSISTANT: Sure, may I know your source point?

USER: My origin airport code is WA-SEA and destination airport is MA-BOS.

ASSISTANT: Kindly provide your travelling dates?

USER: I will start on 06/05 and my return date is 06/07.

ASSISTANT: Do you have any other specifications?

USER: I need one connection and the price 200.

ASSISTANT: Sorry to inform that we have no flight found with your required details.

USER: Ok, thanks for your information.

ASSISTANT: Thanks for contacting us. Have a nice day.