You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Melissa Adams here.

ASSISTANT: How may I help you out?

USER: I'm planning to attend national CEO meet at EWR, can you please help me in booking the ticket from DTW?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Sure, my planned travel dates are 05/15 and 09/17.

ASSISTANT: Can you please confirm your dataes?

USER: Yes, my travel dates are 09/15 and 09/17.

ASSISTANT: Sorry, there are no flights found.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you for reaching us.