You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Jeffrey Hernandez here, looking for booking a ticket from DFW to ORD, can you please do booking for me?

ASSISTANT: Yes, I want to know your travel dates. so that I can check the flight details.

USER: Book the tickets on the dates 06/06 and 06/08.

ASSISTANT: The flight 1021 of Frontier airlines is available on your request. Shall I proceed?

USER: Sure, please proceed and let me know the confirmation.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for your service.

ASSISTANT: You are welcome.