You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Emma Robinson. I  am planning to celebrate food festival in Charlotte, so please help me in booking a flight ticket.

ASSISTANT: Sure, may I know your source and destination codes?

USER: My source is San Francisco CA - SFO and destination code is NC - CLT.

ASSISTANT: Could you please share me your travelling dates?

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

ASSISTANT: Do you have any specifications?

USER: Yes, I need a single connection.

ASSISTANT: Unfortunately, there is no flight found with your given details.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for availing us.