You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from SEA to OAK, Can you please help me for booking?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: I would like to travel on 01/17 to return on 01/19.

ASSISTANT: Ok, please mention your name.

USER: Katherine Martinez here.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us, have a nice day.