You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Please make a reservation with the name of Raymond Taylor to CLT.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a single connecting flight in between my journey.

ASSISTANT: May I know your source code?

USER: My source is from BOS.

ASSISTANT: When are you planning to travel?

USER: I want to travel on Aug 20 and return on Aug 22.

ASSISTANT: Do you have any other preferences?

USER: Make sure that, the departure time should be evening.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for contacting us.