You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be of your helping hand today?

USER: Could you please book  a ticket from OAK to HOU?

ASSISTANT: Sure, can you please let me know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: When you are planning to make your journey?

USER: I want to travel on Oct 17 and return on Oct 19.

ASSISTANT: Is there any class preference?

USER: I prefer a business class.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Sorry to inform you, there are no flights are available on your preferred routes.

USER: Not an issue, thank you for the information.

ASSISTANT: For documentation purpose may I know your name please?

USER: My name is Matthew Harris.

ASSISTANT: Thank you for choosing our services.