You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Lisa Parker.

ASSISTANT: How can I assist you?

USER: I want to book a ticket from LAS to DEN to attend workshop, can you help me in booking?

ASSISTANT: Sure Lisa, can I know the travel dates please?

USER: I am departing on 06/25 and return on 06/27.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time.

ASSISTANT: There is flight in Hawaiian airline with price 200.

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked with flight number 1027.

USER: Thank you for your help.

ASSISTANT: You are welcome.