You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I would like to meet my grandfather as he is unwell, please book my flight ticket from BOS to MCO.

ASSISTANT: Sure, can I have your travelling dates please?

USER: Thank you. I would like to depart on Aug 29th and return back on Aug 31st.

ASSISTANT: Please share your connection limit?

USER: I only need a flight having single connection.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: My name is Mary Jackson.

ASSISTANT: Sorry, no flights found with your given details.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for opting us.