You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I planned to meet my friend in DFW, can you please help me to book a flight ticket from ORD?

ASSISTANT: Sure, can you share your trip dates?

USER: I prefer to travel on May 27 and May 29.

ASSISTANT: Do you have any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Kindly, mention your arrival and depart timings.

USER: I am comfortable with any time.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: I am Patrick Rodriguez.

ASSISTANT: We found a connecting flight of fare 100 with airline Frontier and number 1003. Can I book?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you.