You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I need to travel from CLT to BOS, can you help me in doing that?

ASSISTANT: Sure, may I know the travelling dates?

USER: My journey dates are May 03 to 05.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other requirements?

USER: I prefer to travel in economy class.

ASSISTANT: May I know your name?

USER: Raymond Jones here.

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

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.