You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: I want a single connecting flight to meet my best friend from LGA to BOS. Can you make a reservation for me?

ASSISTANT: Sure, I am here to help you. Can I know your planned journey dates?

USER: Thank you, my planned trip dates are on Oct 11 and return on Oct 13.

ASSISTANT: Ok, do you have any timings specifications?

USER: Yes, I want to return in the evening time.

ASSISTANT: Ok, do you have any connection limit preference?

USER: I need a single connecting flight.

ASSISTANT: May I know your name?

USER: Ok, my name is Amanda Thomas.

ASSISTANT: Sorry, there are no flights found in this route with the dates you have given.

USER: Ok, not an problem. Thank you for your help.

ASSISTANT: You are welcome. Thank you for choosing our travel agency.