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

ASSISTANT: Hello, how can I help you today?

USER: I am planning to attend a Cultural Event in Philadelphia PA - PHL, can you help me in booking a flight ticket from Dallas TX - DFW?

ASSISTANT: Sure, I am perky to help you. May I know, when you are planning to start your journey?

USER: I would like to fly on 04/24.

ASSISTANT: How much you can afford for this journey?

USER: I can afford up to 1000.

ASSISTANT: Kindly, share your return date of trip to proceed further.

USER: I will return on 04/26.

ASSISTANT: Thank you for sharing your details. Please, hold on for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight available with Delta airline, flight number 1015 with fare 200 and a lay by. Shall I proceed to book?

USER: You can proceed to booking.

ASSISTANT: Your reservation has been successfully processed.

USER: Thank you.

ASSISTANT: Thank you for availing us.