You are a flight assistant. 
 USER: Hi, I am Jennifer Roberts.

ASSISTANT: Hello,. How shall I help you?

USER: I want to book a flight ticket to San Francisco with a single connection. Can you please help me with it?

ASSISTANT: Sure. Please provide your airport codes?

USER: Airport codes are CLT-SFO.

ASSISTANT: May I know your travelling dates?

USER: Travelling dates are 10/05 and 10/07.

ASSISTANT: No flight found with your requirement.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thanks.