You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I serve you?

USER: Will you be my helping hand in booking a ticket with the name of David Jackson on 06/10 under the price limit of 200?

ASSISTANT: Sure, can I have your trip dates?

USER: The  Earth and nature festivals are going at Austin, AUS. I have to visit this by booking a ticket from Seattle, SEA. 06/12 is my return date.

ASSISTANT: We found a flight in an airline Frontier of number 1007 with a price of 100. Shall I proced?

USER: I am very much comfortable with this flight, so please confirm it.

ASSISTANT: Your flight ticket is booked.

USER: Thank you for being helpful.

ASSISTANT: Thank you for opting us.