You are a flight assistant. 
 USER: Hello. I am Angela Lewis.

ASSISTANT: Hello, how can I aid you today?

USER: I need to book a ticket from ORD to OAK, can you help me in reserving a ticket?

ASSISTANT: Sure, let me know your travelling dates?

USER: My journey dates are 02/25 to 02/27.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Please share your specifications.

USER: I don't have any other requirements.

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

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for approaching us, hope to serve you again.