You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to travel from MCO to DCA. Can you help me to book a flight ticket?

ASSISTANT: Sure, I am here to assist you. Could you please let me know your travel dates?

USER: I want to fly in the flight on Oct 09 and Oct 11.

ASSISTANT: Thank you. Can I know your name?

USER: Sharon Green.

ASSISTANT: Thank you. Do you have any class preference?

USER: I prefer to travel in normal-cost airline.

ASSISTANT: Flight-1018 having single connection is available with Delta airlines. Flight will take-off at 4:00 hours and arrives at 4:00 hours. Is that ok for you?

USER: Book the ticket for me.

ASSISTANT: Your ticket is confirmed successfully. Have a nice day.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.