You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a ticket from ORD to PHX to attend workshop, can you help me in booking?

ASSISTANT: Can you share your trip dates?

USER: I am departing on May 23 and return on May 25.

ASSISTANT: Do you need any connections?

USER: I prefer a connecting flight.

ASSISTANT: Are there any other preferences?

USER: I do not have any other specifications.

ASSISTANT: May I know your name?

USER: My name is Melissa Green.

ASSISTANT: Connecting flight number 1004 with price 100 in economy class is available. Is it ok?

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.