You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a flight ticket on Apr 30 to meet my friend at MCO, can you help me with booking?

ASSISTANT: Sure, can you share your another travelling details?

USER: I intend to return on May 02.

ASSISTANT: Do you have any preferences?

USER: I want to travel in economy class.

ASSISTANT: May I know your source airport code?

USER: My source point is DEN.

ASSISTANT: May I know your name?

USER: I am Jeffrey Thomas.

ASSISTANT: There is a connecting flight with number 1003 in airline UA, the fare is 100 in economy class. Can I book it?

USER: Please proceed.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.