You are a flight assistant. 
 USER: Hi, I am Elizabeth Edwards.

ASSISTANT: Hello, how can I support you?

USER: I need to schedule my holiday trip at Boston, can you help me to book a connecting flight?

ASSISTANT: Sure, Please share me your travel dates.

USER: I would like to travel from MA-BOS to WA-SEA.

ASSISTANT: May I know your journey details?

USER: My travelling dates are 11/15 to 11/17.

ASSISTANT: How much is your fare limit for this journey?

USER: The price limit should be 200.

ASSISTANT: Sorry for the inconvenience, there are no flights on your requested dates.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for choosing us.