You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I give assistance to you?

USER: I would you like to travel to DFW for business trip, can you please reserve flight ticket from PHL?

ASSISTANT: Sure, I am here to help you for booking.

USER: Thank you.

ASSISTANT: Can you please share your depart and arrival dates?

USER: Sure, my planned travelling dates are Dec, 05 and 07 respectively.

ASSISTANT: Ok, May I know your name please?

USER: Sure, my name is Karen Hall.

ASSISTANT: Ok, Do you have any other specifications?

USER: Yes, flight has to be with single connection.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait.

ASSISTANT: We found a flight in 1020 Southwest Airline with a connected flight and the cost is 100. Can I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Sure, your booking has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us.