You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Karen Robinson. Will you please book a flight from New York, EWR?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Where you want to travel?

USER: I want to travel to Houston, HOU.

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

USER: You can check flights to book on 03/03 and return date on 03/05.

ASSISTANT: Do you have any preferences?

USER: I prefer to travel with a connecting flight.

ASSISTANT: Please wait.

USER: OK.

ASSISTANT: Thanks for waiting. There is a flight 1004 in UA airline and price 200 with a connection. Shall I proceed?

USER: Yes.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.