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

ASSISTANT: Hello, how may I be at your assistance?

USER: We are planning to watch a movie with my friend's in Detroit MI-DTW, can you please assist me in booking a flight ticket from DC-IAD?

ASSISTANT: Sure, help me with the planned trip dates?

USER: My planned trip dates are 08/15 and 08/17.

ASSISTANT: Do you have any price limit?

USER: Price limit is below 200.

ASSISTANT: There is a flight in an airline Delta with 1016 number having a single connection price of 300. Shall I proceed?

USER: Do not proceed. Thank you for your service.

ASSISTANT: Ok, thank you for reaching us.