You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I would like to visit Boston to meet my cousin, please help me in booking a ticket from SEA to BOS.

ASSISTANT: Sure, I am here to help you with that. Can I know your travelling dates?

USER: My planned journey dates are on Aug 08 and Aug 10.

ASSISTANT: Do you have any other specifications?

USER: I would like to return in the afternoon.

ASSISTANT: Sorry to say that, there are no flight's available based on your travelling dates.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Could you send me your name?

USER: Sure, my name is Christine Adams.

ASSISTANT: Thank you for approaching us.