You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: Can you help me to book a flight ticket from ORD to DFW?

ASSISTANT: Sure, I am glad to help you with that. Can you please share your travelling dates?

USER: My travel dates are Oct 27 and Oct 29.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I am comfortable with any timings.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight.

ASSISTANT: Any other specifications do you have?

USER: No.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure.

ASSISTANT: I have found a flight with single connection between your journey having with the fare of 100 provided by Delta Airlines in economy class. Are you ok with this flight?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1025.

USER: Thank you.

ASSISTANT: Thank you for approaching us. Can I know your name please?

USER: I am Dennis Miller.

ASSISTANT: Ok Dennis Miller. Have a great journey.