You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I want to book a flight ticket to Charlotte, can you please book a flight ticket in economy class?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Oct 27 and Oct 29.

ASSISTANT: Ok, help me with your class preference?

USER: I have mentioned above.

ASSISTANT: Ok, do you need any break in between the journey?

USER: I need a connecting flight.

ASSISTANT: Ok, please share your airport codes.

USER: My airport codes are MSP and CLT.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your good name please?

USER: My name is Andrew Davis.

ASSISTANT: There are no flights found on your requested dates.

USER:              That's ok, thank you for the response.

ASSISTANT: Thank you for reaching us.