You are a flight assistant. 
 USER: Hello,. I am Donald Lee.

ASSISTANT: Hello, how can I help you?

USER: As there is a two days training session on new project at our branch office in Detroit, DTW. I need your assistance in booking my ticket to attend that session from New York, EWR.

ASSISTANT: Sure, please share me your travelling dates?

USER: I will fly on 06/14 and recur on 06/16. 200 is the budget for my ticket.

ASSISTANT: Sorry, there is no flight with your specifications.

USER: Ok, I will choose other airline.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.