You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amy Edwards.

ASSISTANT: How can I aid you?

USER: I am planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket?

ASSISTANT: Sure, help me with the travelling dates.

USER: I would like to take off on 02/19 and return on 02/21.

ASSISTANT: Can you share your travelling airport codes?

USER: My nearest source airport code is LAX and destination airport code is ORD.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a flight with fare 100 in airline Frontier. Can I book it?

USER: Please proceed with the booking if the connection limit is 1.

ASSISTANT: The connection is 1. Your ticket is booked, happy journey.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.