You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Elizabeth Lopez.

ASSISTANT: Lopez, how may I help you?

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

ASSISTANT: Sure, please provide your itinerary dates.

USER: Sure, I would like to take off on 02/21 and return on 02/23.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Hawaiian airlines with flight 1023 is providing service with a connecting flight.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.