You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Richard Mitchell, can you help me to book a flight with 0 connection?

ASSISTANT: Sure, I will help you out.

USER: Ok.

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are 05/06 and 05/08.

ASSISTANT: Can I know your airport codes please?

USER: My airport codes are ATL and OAK.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no flights. Thank you for reaching us.

USER: Ok, no issues.