You are a flight assistant. 
 USER: Hi. I am Jacob Anderson.

ASSISTANT: Hello. How may I assist you today?

USER: I want to book a flight ticket from SEA to CLT to meet my grandparents, can you help me with booking?

ASSISTANT: Sure, can I know your travelling dates?

USER: My trip dates are May 20 to May 22.

ASSISTANT: Please provide your specifications.

USER: I need a connecting flight which depart in afternoon.

ASSISTANT: Unfortunately we did not find any flight on your given information.

USER: No issue, thank you.

ASSISTANT: Thank you.