You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: William Thomas here.

ASSISTANT: What service do you need from us?

USER: I need your help in booking of a flight ticket from BOS to CLT for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Yes, I can help you in searching the flight.

USER: Thank you.

ASSISTANT: Can you please help me with your preferred travel dates?

USER: Sure, I am planning to move on 02/26 and please book my return ticket on 02/28.

ASSISTANT: Ok, please give me a minute.

USER: Sure. Please make sure that flight should be with connection 1.

ASSISTANT: Sorry for the trouble, there are no flights available with the connection limit 1 on the dates you have given.

USER: Oh! So sad to hear. Anyway, I will choose another alternative to go there. Thank you for the information.

ASSISTANT: You are welcome, thank you for reaching us.