You are a flight assistant. 
 USER: Hi, I am James White.

ASSISTANT: Hello. How may I be at your service?

USER: I want to attend an emergency surgery at Washington, can you please help me in booking?

ASSISTANT: Ok. Let me know your travelling dates.

USER: My travelling dates are from 08/08 to 08/10.

ASSISTANT: Help me with your airport codes.

USER: My airport codes are from Detroit, MI-DTW to Washington, DC-IAD.

ASSISTANT: Do you want any specifications?

USER: Connection limit is one. Price should not exceed 500.

ASSISTANT: Ok. You have 1001 flight with 1 connection of price 300 in Frontier airline. Shall I make a reservation to you?

USER: Yes, please make a reservation.

ASSISTANT: Your ticket was reserved.

USER: Thank you.

ASSISTANT: Thank you for availing us.