You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Karen Miller.

ASSISTANT: In which way I can aid you today?

USER: I am planning to visit Oakland, will you help me in booking the flight ticket from DFW to OAK?

ASSISTANT: Sure, I will aid you with that. Can you please mention your preferable travel dates?

USER: My travelling dates are Apr 22 and Apr 24.

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

USER: My depart time must be in morning.

ASSISTANT: Are you okay with connecting flight or you need any direct flight?

USER: I need a flight with single connection.

ASSISTANT: Is there any additional preferences do you have?

USER: No, thank you for asking.

ASSISTANT: Ok, please wait a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Frontier airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1017 and this flight take off at 5:00 AM.

USER: Thank you for helping me.

ASSISTANT: You are welcome Karen Miller.