You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Karen Walker. I am planning to visit New-York to meet my school friend.

ASSISTANT: Ok, please mention your travel dates.

USER: Can you help me in booking my flight ticket with single connection. My travelling days are from 08/13 to 08/15.

ASSISTANT: Ok, could you please provide your city codes?

USER: My airport codes are from IL-ORD to NY-EWR.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Ok, found a flight matching your requirements in airline Southwest and number 1004 having price 100.

USER: Sure, proceed for booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your service.

ASSISTANT: Thank you. Have a safe journey.