You are a flight assistant. 
 USER: Hello. Sandra Turner here.

ASSISTANT: Hello, how can I be at your service today?

USER: I want to book a flight from BOS - MCO. Can you help me?

ASSISTANT: Sure, please share your planned travel dates.

USER: My journey dates are from July 30th and I will be returning on Aug 1st.

ASSISTANT: Do you have any class preference?

USER: No, I just need a flight with 1 connection.

ASSISTANT: Thank you for providing details, please wait for a while.

USER: Sure.

ASSISTANT: We are sorry to inform that there is no flight available on your given criteria.

USER: Oh! That's fine, thank you for checking.

ASSISTANT: Thank you for opting us.

USER: Most welcome.