You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Deborah Campbell this side.

ASSISTANT: How can I help you Deborah Campbell?

USER: I will be attending an event which is going to be held at New York. I will by taking off from Detroit DTW.

ASSISTANT: That's good, please provide your airport code of landing.

USER: My landing airport code will be EWR.

ASSISTANT: Please provide your journey dates to book the ticket.

USER: 06/15 to 06/17 will be my travel dates.

ASSISTANT: Hold on a moment please.

USER: Sure.

ASSISTANT: Sorry, there is no flight available on your dates of travelling.

USER: That's fine, I will book a train for my journey.

ASSISTANT: Thank you and have a great day.

USER: Thanks for helping me.