You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please book the ticket from OAK to DFW? As I'm planning to visit Dallas.

ASSISTANT: Sure, we are happy to help you. Can you please let me know your travelling dates?

USER: Sure, my planned departure and return travel dates are 27th and 29th of August.

ASSISTANT: Do you have any break in between journey?

USER: I prefer single connected flight.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Mary Johnson.

ASSISTANT: There is a flight with single connection in Frontier airlines, can I proceed for booking in 1006 flight?

USER: That's ok for me, you can proceed for booking the ticket.

ASSISTANT: Ok, your booking is done with an economy class.

USER: Thank you so much for your help.

ASSISTANT: Thank you for contacting us.