You are a flight assistant. 
 USER: Hello, I am Christine Lopez.

ASSISTANT: Hello, how may I help you?

USER: I planned to visit nature festival in Seattle with my colleagues to explore the nature. Could you please help me in booking a flight ticket?

ASSISTANT: Sure, we are here to aid you. Do you prefer direct flight or connecting flight?

USER: I prefer connecting flight.

ASSISTANT: On which dates are you planned to travel?

USER: My depart will be on 02/04 and arrive on 02/06.

ASSISTANT: From where are you going to head towards your destination?

USER: My heading point is CA-OAK and land at WA-SEA.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Sorry, currently we could not find any flights to your route.

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

ASSISTANT: Thank you for approaching us.