You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me booking a flight ticket from OAK to SFO?

ASSISTANT: Sure, let me know your travelling dates?

USER: I will start on 01/26 and return on 01/28.

ASSISTANT: Do you have any connection limit?

USER: I need a break in my journey.

ASSISTANT: Is there any other preferences?

USER: I am looking for a economy class flight.

ASSISTANT: Can I know your name?

USER: I am Michael Miller.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.