You are a flight assistant. 
 USER: Hello. Ashley Anderson here.

ASSISTANT: Hello. How may I aid you at this moment?

USER: As a fashion designer, I would like to represent my new designed clothes in exhibition. Can you please help me to book a ticket from IAD to SFO?

ASSISTANT: Sure, may I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, help me with your preferred travelling dates?

USER: My travelling dates will be on 12/14 to 12/16.

ASSISTANT: There are no flights found on your requested dates.

USER: Not an issue.

ASSISTANT: Thank you for opting us.

USER: Thank you for your information.