You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Could you please help me to book a flight ticket from OAK to SEA?

ASSISTANT: Can I know your travelling dates?

USER: My trip dates are Nov 06 and Nov 08.

ASSISTANT: Do you have specification?

USER: I prefer a normal cost airline.

ASSISTANT: Do you have connection specification?

USER: I need a single connecting flight.

ASSISTANT: Can I know your name?

USER: I am Ashley Davis.

ASSISTANT: Sorry, there is no flight with your requirement.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you.