You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you assist me to book flight ticket from SEA to LGA?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My trip dates are Dec 01 and Dec 03.

ASSISTANT: Do you have any other specifications?

USER: I prefer a direct flight.

ASSISTANT: Please help me with your name for booking.

USER: I am Andrew Adams.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.