You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, I am here to help you for this. When are you planning your trip?

USER: I want to travel on 06/03, and return on 06/05.

ASSISTANT: May I know your name please?

USER: I am Thomas Walker.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Is there any other criteria regarding your journey?

USER: No.

ASSISTANT: Sorry for inconvenience, no flights are found with your requirements.

USER: Ok, no problem.

ASSISTANT: Thank you very much for approaching our agency.

USER: Thanks for the information.

ASSISTANT: You are welcome.