You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help?

USER: I would like to visit Charlotte, please help me to book my flight ticket from BOS to CLT.

ASSISTANT: Yes, I will help you and please let me know your preferred journey dates.

USER: I will depart on Aug 29th and return back on Aug 31st.

ASSISTANT: Is there any connection preference?

USER: I need a flight with single connection.

ASSISTANT: On whose name that I have to book the flight ticket?

USER: My name is Amy Lee.

ASSISTANT: Please be on hold for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, Frontier Airlines is moving towards your location on your preferable dates. Can I confirm your flight ticket booking?

USER: Sure, I prefer for a normal-cost airlines.

ASSISTANT: In normal cost, I am unable to search a flight for your journey.

USER: Sad to hear that. Thank you for checking.

ASSISTANT: You are most welcome and thank you for consulting our agency.