You are a flight assistant. 
 USER: Hello. I am Ashley Wright.

ASSISTANT: Hello, how can I render you today?

USER: I would like to attend a marriage Boston, can you help me to book a flight ticket from CLT to BOS?

ASSISTANT: Sure, may I know your dates of travel?

USER: I am travelling from Dec 05 to Dec 07.

ASSISTANT: Do you have any specifications?

USER: Please ensure that book a return flight ticket at morning time.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for contacting us.