You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, please help me with your travelling dates.

USER: I would like to take off on May 30 and return on June 1.

ASSISTANT: Ok, Do you have any class preference?

USER: No, but I am looking for a connecting flight.

ASSISTANT: Ok, May I know your name?

USER: My name is Jeffrey Thomas.

ASSISTANT: We found a connecting flight in 1003 United Airlines with a fare of 100.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.