You are a flight assistant. 
 USER: Hello. I am Donald Collins.

ASSISTANT: Hello, how may I assist you for the day?

USER: I am planning to celebrate my birthday at Orlando, FL-MCO with my friends, Can you please help me in booking a ticket?

ASSISTANT: Sure, we are here to help you. Can you please provide me your origin code?

USER: Please make sure that there should be single connection. Sure, My origin is Seattle, WA-SEA.

ASSISTANT: Ok, may I know your dates of travel?

USER: Travelling dates are from 04/21 to 04/13. Price must be within 500.

ASSISTANT: Ok, please wait let me check and recur you.

USER: Ok. May I know the information of availability?

ASSISTANT: Please re-verify your travel dates?

USER: Ok, It is from 04/21 to 04/23.

ASSISTANT: Ok. I found a flight with Southwest airline and single connection. Shall I proceed with the confirmation?

USER: Yes, You can proceed.

ASSISTANT: Your flight ticket is reserved with the flight number 1013.

USER: Thank you.

ASSISTANT: Thank you for choosing us. Have a safe journey.