You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please help me in booking a flight from DEN to reach OAK?

ASSISTANT: Sure, please forward your trip dates.

USER: Thank you, my travelling dates are Dec 9th and Dec 11th.

ASSISTANT: Is there any class preference?

USER: I am comfortable in any class.

ASSISTANT: Do you have any other requirements?

USER: I don't have any more requirements.

ASSISTANT: Can you share your name to proceed further?

USER: I am Jerry Williams.

ASSISTANT: Please wait.

USER: Ok, sure. I will wait for your response.

ASSISTANT: JetBlue airline has a connecting flight with number 1000 for fare 100, shall I proceed?

USER: Yes, please proceed by booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for the service.

ASSISTANT: Thank you for contacting us.