You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Stephen Garcia. Can you help me booking a flight ticket from ORD to OAK?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: I will start on 03/02 and return on 03/04.

ASSISTANT: Do you have any class preference?

USER: I am looking for economy class flight.

ASSISTANT: May I know your name please?

USER: I have already mentioned above.

ASSISTANT: Is there any connection limit?

USER: I need a break in my journey.

ASSISTANT: Do you have any specifications?

USER: I need to return in the afternoon time.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.