You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to attend music concert at OAK, can you please help me with booking a flight ticket from CLT?

ASSISTANT: Sure, On which dates would you like me to book a flight ticket for you?

USER: I would like to depart on Apr 21 and return on Apr 23.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: My name is Dennis Garcia.

ASSISTANT: Let me know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I don't have any other requirement.

ASSISTANT:   Ok, please wait a moment, let me search a flight for you.

USER: Sure, take your time.

ASSISTANT: We found 1008 Frontier airlines with single connection with economy class.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been reserved with price 100.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.