You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet  you?

USER: My name is Patrick Allen. On African-American emancipation day, I need to participate in the event at EWR.

ASSISTANT: Ok.

USER: For this, I want to book a flight ticket on 01/16. Will you help me?

ASSISTANT: Sure, we are happy to help you. On which range of price you want me to book a ticket?

USER: Price limit is 1000.

ASSISTANT: Please, let me know your return date?

USER: Return date is on 01/18.

ASSISTANT: Can I have your source code?

USER: Source: DFW.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight of Spirit airline with fare 300 and connection one with your requirements.

USER: Confirm my ticket with this flight.

ASSISTANT: Your ticket has been booked with flight number 1014.

USER: Thank you for aiding me in this.

ASSISTANT: Thank you for availing us.