You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you help me in booking my flight ticket from DFW to SEA?

ASSISTANT: Sure, may I know your travel dates?

USER: My planned dates of journey are Sept 23 and Sept 25.

ASSISTANT: Do you have any requirements?

USER: I prefer to travel in normal cost airlines.

ASSISTANT: Ok, can you share your name to proceed further?

USER: My name is Katherine Lewis.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Delta Airlines has a couple of connecting flights with number 1026 for fare 100, shall I proceed?

USER: Please book my ticket in this flight.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for opting us.