You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in reserving my flight from IAH to reach OAK, as I have a meeting with my colleagues regarding company issues?

ASSISTANT: Sure, may I know your travel dates?

USER: Thank you, my travelling dates are Oct 29th and Oct 31st.

ASSISTANT: Is there any class preference?

USER: Yes, I prefer economy class as it provides comfort for our journey.

ASSISTANT: Any other requirement to be met?

USER: I prefer a flight which has  maximum of a single connection.

ASSISTANT: Ok, can you mention your name to proceed further?

USER: My name is Brian Martinez.

ASSISTANT: United Airlines has a connecting flight with number 1005 for fare 200, shall I proceed?

USER: Ok, please reserve it.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for the service.

ASSISTANT: Thank you for opting us.