You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I want to book a flight ticket from CLT to attend a robotic workshop in IAH, can you help me in booking?

ASSISTANT: I am very happy to help you. Meanwhile may I know your travelling dates?

USER: I would like to depart on June 27th and my return date will be on June 29th.

ASSISTANT: Can I know your connection limit?

USER: I am happy with any kind of flight.

ASSISTANT: May I know do you have any other preference?

USER: No.

ASSISTANT: May I know your name?

USER: I am Christine Evans.

ASSISTANT: Here is a direct flight with fare 100 and 1002 as flight number in economy class. Shall I proceed with booking?

USER: That's perfect, you can proceed with the booking.

ASSISTANT: Your ticket is confirmed in United Airlines.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for reaching us.