You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Catherine Campbell. I would like to book a flight ticket to attend a robotic workshop, can you help me to book an economy class ticket?

ASSISTANT: Sure, kindly share your travel dates.

USER: My travelling dates are 09/27 and 09/29.

ASSISTANT: May I know your airport codes?

USER: My airport codes are DEN and PHL.

ASSISTANT: Do you have any other specifications?

USER: I want to return at afternoon.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is Frontier with price 100 and single connection.

USER: Please proceed with booking.

ASSISTANT: Your booking is done and flight number is 1003 with economy class.

USER: Thank you for the help.

ASSISTANT: Thanks for reaching us.