You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Will you help me in booking the flight ticket from SEA to OAK?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My preferable journey dates are Feb 18 and Feb 20.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a flight with single connection.

ASSISTANT: Do you have any preferences about class?

USER: No, thank you for asking.

ASSISTANT: Please mention your name.

USER: Myself Brenda Adams.

ASSISTANT: There is no flights found under your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Welcome, have a great day.