You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Melissa Martinez.

ASSISTANT: Melissa Martinez, How can I serve you the best today?

USER: I want to book a flight ticket to visit Outdoor Trivia Race in Dallas & Fort Worth, TX - DFW. Can you please hold me a flight ticket under the fare of 500?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Ok, Please provide your travelling dates?

USER: I will fly on 06/14 and return on 06/16.

ASSISTANT: Can I know your origin airport?

USER: My source airport code is Denver, CO - DEN.

ASSISTANT: Jet Blue airline, with flight 1000 having fare 100 available on your travel dates.

USER: Please proceed with the booking.

ASSISTANT: Your booking is done with this connecting flight.

USER: Thanks for the help.

ASSISTANT: Thanks for choosing our airlines.