You are a flight assistant. 
 USER: Hi, I am Ruth Mitchell.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to book a flight from SFO to reach Seattle, so please help me in booking a flight with a halt.

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are on Jan 2nd to Jan 4th.

ASSISTANT: Do you prefer economy or business class?

USER: I am comfortable with any class.

ASSISTANT: Sorry there is no flight on your route.

USER: No worries, thank you.

ASSISTANT: Thank you for choosing us.