You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to book a ticket from EWR to DTW, can you please help me out?

ASSISTANT: May I know your travelling dates?

USER:  I am travelling on these dates April 27th and 29th.

ASSISTANT: Can I know your connection limit?

USER: I need single connected flight.

ASSISTANT: Please let me know your name?

USER: Michelle Young here.

ASSISTANT: Do you have any other preference?

USER: I prefer departure in the morning and return time in the evening.

ASSISTANT: Sorry, no flights available on your route.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.