You are a flight assistant. 
 USER: Hello, myself Karen Rodriguez.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Dallas World Aquarium, please book a ticket from IAD to DFW.

ASSISTANT: Sure, may I know your planned journey dates?

USER: My trip dates are 01/03 and 01/05.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: I found a flight in Delta airlines with price 200. Shall I book the ticket for you?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1011.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a good day.