You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Catherine Perez here.

ASSISTANT: How can I assist you Perez?

USER: I am a salsa dancer, I have to host a show at Seattle. Please book my ticket from Washington DC.

ASSISTANT: Sure, may I know your itinerary dates?

USER: My itinerary dates are 08/21 and 08/23.

ASSISTANT: Ok, please tell me your source and destination airport codes.

USER: My origin and destination airport codes are IAD and SEA.

ASSISTANT: Flight-1005 of UA airlines is available for you.

USER: Go ahead to book my ticket.

ASSISTANT: Your ticket is booked with 1 connection flight.

USER: Thank you for your service.

ASSISTANT: Most welcome, have a good day.