You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to travel from LGA to ORD to attend a conference.

ASSISTANT: Sure. May I know your airline preference?

USER: My airline preference would be of normal cost.

ASSISTANT: May I know your travelling dates?

USER: My travel dates are July 01 and July 03.

ASSISTANT: May I know your connection limit?

USER: I would like to board a single connection flight.

ASSISTANT: May I know your name?

USER: My name is Christine Evans.

ASSISTANT: Sorry, no flights found on your route with your requirements.

USER: No issue, thank you for the help.

ASSISTANT: Thank you for reaching us.