You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to attend a Seminar in LGA. Can you please help me for booking the flight ticket from EWR?

ASSISTANT: Let me know your travelling dates.

USER: My travelling dates are May 25 and May 27.

ASSISTANT: Do you prefer connecting flight?

USER: I prefer single connecting flight.

ASSISTANT: Is there any other requirement?

USER: I want to depart in morning.

ASSISTANT: Can I know your name?

USER: My name is Jeffrey Clark.

ASSISTANT: I have found ticket with United airlines for price 100. Shall I book a ticket?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is booked having flight number 1004 which departs at 4:00 hours and arrives at 22:00 hours.

USER: Thanks for helping me.

ASSISTANT: Thank you.