You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you now?

USER: Can you please help me to book a ticket from OAK to IAH?

ASSISTANT: Sure, I am here to happy to help you. May I know your journey dates, please?

USER: My travelling dates will be on May 6 to May 8.

ASSISTANT: Do you have any connection limit?

USER: I would like to travel in a connecting flight.

ASSISTANT: May I know your class preference?

USER: I do not have any class preference.

ASSISTANT: Let me know about your other specifications.

USER: I do not have any other preferences.

ASSISTANT: Can I know you name to proceed further?

USER: Dennis Evans here.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: United Airlines is providing you the connecting flight in economy class, shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved with flight 1019.

USER: Thank you.

ASSISTANT: My pleasure.