You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please reserve a flight ticket from LGA to BOS for my business trip?

ASSISTANT: Sure, can I know the travel dates please?

USER: Thank you, my boarding is on Aug 24 and please book my return ticket on Aug 26.

ASSISTANT: May I know your name please?

USER: Sure, my name is Melissa Wright.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Oh! No issues, I will reach another booking agency. Thank you for the information.

ASSISTANT: Thank you for approaching us.

USER: Welcome.