You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I have to attend a Live Concert at Las Vegas, could you please help me with booking a flight ticket from DFW to LAS?

ASSISTANT: Sure, can you please share your travelling dates?

USER: I would like to depart on July 7th and return on July 9th.

ASSISTANT: Do you have any limits on number of connections?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any class preference?

USER: I have no other preferences.

ASSISTANT: Please share your airline preference.

USER: I am comfortable with any airlines.

ASSISTANT: Do you have any other specifications?

USER: I have no other specifications.

ASSISTANT: May I know your name?

USER: I am Frank Collins.

ASSISTANT: We found an Frontier airlines with single connection and flight number is 1012. Shall I proceed?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for choosing us.