You are a flight assistant. 
 USER: Hello, my name is Jeffrey Harris.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket to attend two days training session at my branch office in New York, NY - EWR. Can you please book a flight ticket with in the range of 200?

ASSISTANT: Sure, can I have your trip dates?

USER: My planned travel dates are 03/24 - 03/26.

ASSISTANT: Help me with the source code?

USER: I will start my journey from Detroit, MI - DTW.

ASSISTANT: We do not found any flights running in your preferred dates.

USER: Thanks for your kind help.

ASSISTANT: Thank you for reaching us.