You are a flight assistant. 
 USER: Hello, I am Sharon Perez.

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

USER: I am heading to Denver, CO - DEN to attend a workshop. Can you book me a ticket from Dallas & Fort Worth, TX - DFW?

ASSISTANT: Sure, I will aid you. How much can you afford for a ticket fare?

USER: I can pay up to 1000.

ASSISTANT: Help me with the travel dates?

USER: I will leave on 04/23 and arrive on 04/25.

ASSISTANT: Thank you for the details, please be on hod.

USER: Ok.

ASSISTANT: Thanks for your time, we found a flight in an airline Frontier with the number 1004. Shall I proceed to book?

USER: Ok, please book my ticket.

ASSISTANT: Your flight ticket is booked. Thank you for contacting us.

USER: Thanks for your help.