You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Shirley Smith.

ASSISTANT: How can I help you for the day?

USER: I want to attend the burial service of my grand father in Chicago, ORD. Can you help me to book a connecting flight?

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates?

USER: My travelling dates are Mar 24 and 26.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I want to return in the afternoon time.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am comfortable with any class.

ASSISTANT: May I know your source code to proceed for further?

USER: My source is from Charlotte, CLT.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There is a connecting flight-1015 in Delta Airlines with a fare of 100. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Shirley Smith, your booking has been done in economy class.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us, have a safe journey.