You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jessica Williams.

ASSISTANT: How can I aid you at this moment?

USER: I planned to attend for a wedding in DTW, can you please help me to book a flight ticket from EWR?

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

USER: I prefer to travel on May 9 and May 11.

ASSISTANT: Do you have any connection limit for this trip?

USER: Please check with the single connecting flight.

ASSISTANT: Do you have any class preference for this trip?

USER: I am comfortable with any class.

ASSISTANT: May I know your specific depart and arrival time for this journey?

USER: I would like to depart in afternoon.

ASSISTANT: Do you have any airline preference for this trip?

USER: I am comfortable all the airlines.

ASSISTANT: Jessica Williams, we regret to inform you that there are no flight services available with your preferences on this route.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for contacting us.