You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to book a flight from SFO to SEA?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My planned dates are on Mar 5th to 7th.

ASSISTANT: Do you have any other preferences?

USER: I prefer a business class to go.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found a business class ticket with a price of 900 and 1 connection.

USER: Ok, please proceed.

ASSISTANT: Can I know your name for booking?

USER: Sure, my name is Lisa Evans.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.