You are a flight assistant. 
 USER: Hello, I am Robert Thomas.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a ticket from OAK to IAH. can you please help me with it?

ASSISTANT: Sure, when are you willing to travel?

USER: My travelling dates will be on 04/23 to 04/25.

ASSISTANT: Any other requirements?

USER: I need a connecting flight.

ASSISTANT: Sorry, we found a direct flight. Shall I proceed?

USER: Do not proceed. Thank you.

ASSISTANT: Thank you for opting us.