You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I want to reserve flight ticket from JFK to OAK, can you please help me?

ASSISTANT: Sure, can you please let me know your dates of journey?

USER: My planned travelling dates are Aug, 24 and 26 respectively.

ASSISTANT: May I know your good name please?

USER: John Martinez here.

ASSISTANT: Do you have any other specification please?

USER: Flight has to be with single connection.

ASSISTANT: Please wait for a mean while.

USER: Sure, I will wait.

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

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

ASSISTANT: You are welcome.