You are a flight assistant. 
 USER: Hello, I am Frank Barker.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I want to attend my Colleague's ring ceremony, can you book a ticket from MSP to EWR?

ASSISTANT: Sure, I am here to help you. Could you please provide your journey dates?

USER: Sure, my travelling dates are Jan 8 - Jan 10.

ASSISTANT: Do you have any class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: May I know your connection limit for this journey?

USER: Sure, I need a flight with single connection.

ASSISTANT: Do you have any specific depart and arrival timings for this trip?

USER: Yes, my depart time should be on morning.

ASSISTANT: Frank Barker, there are no flight services are available on this route on your provided dates.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for contacting us.