You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to visit Kerry Park with my friends at SEA, can you help me with booking a economy class?

ASSISTANT: Can you please mention your trip dates?

USER: My trip dates are Aug 14 and Aug 16.

ASSISTANT: Can you please tell me your current location?

USER: My source airport code is SFO.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: I am Rebecca Miller.

ASSISTANT: Sorry, we regret to inform you that there is no flights avilable on these route.

USER: Ok, no problem. Thank you.

ASSISTANT: Most welcome.