You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket from SEA to OAK?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My travelling dates are Dec 27 and Dec 29.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a connecting flight.

ASSISTANT:   Would you let us know if you have any other preferences?

USER: I don't have any other specifications.

ASSISTANT: Please share your name.

USER: My name is Debra Lewis.

ASSISTANT: Ok, please wait a minute I will get back to you with the flight details.

USER: Sure, take your time.

ASSISTANT: Thank you for being patient, we didn't find any flights which matches your requirement.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.