You are a flight assistant. 
 USER: Hello, I am Jennifer Harris.

ASSISTANT: Hello, How can I help you?

USER: I want to attend a sports meet in Seattle, Can you book me a flight ticket with a single connection?

ASSISTANT: Sure, Please help me with your travel codes.

USER: My source is NC - CLT and destination is WA - SEA.

ASSISTANT: May I know the travel dates?

USER: I start on 08/02 and return on 08/04. The price limit is 500.

ASSISTANT: Please give a minute.

USER: OK.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: OK, no issue. Thank you for the information.

ASSISTANT: Thank you for reaching us.