You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I need to attend for a family function in ORD. Can you please help me to book a flight from OAK?

ASSISTANT: Sure, can you please help me with your dates of journey?

USER: Sure, I want to depart on Dec 9 and need to return on Dec 11.

ASSISTANT: May I know your good name please?

USER: I am Ashley Hernandez.

ASSISTANT: Do you have any other requirements from my side please?

USER: I am looking for a flight with single connection which return in the morning time.

ASSISTANT: Please wait for a mean while.

USER: Sure.

ASSISTANT: Sorry Ashley, there is no flight found as per your travelling details.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: You are welcome.