You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to book a flight ticket from LGA to DFW, can you assist me?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are 03/31 ans 04/02.

ASSISTANT: Do you have any requirements for your journey?

USER: I need a single connecting flight.

ASSISTANT: Ok, may I know your name please?

USER: I am Dennis Collins.

ASSISTANT: Delta Airlines has a connecting flight with number 1003 for fare 100, shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for that.

ASSISTANT: Thank you for opting us.