You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: Mary King here. I am a model, I have my photo shoot at San Francisco. So please book my ticket from Denver.

ASSISTANT: Your airport codes please?

USER: My genesis and terminus airport codes are DEN and SFO.

ASSISTANT: On which days your planning to travel?

USER: My itinerary dates are 05/21 and 05/23.

ASSISTANT: There is a flight with single connection, can I  proceed for booking in 1019 flight?

USER: Please proceed.

ASSISTANT: Your booking is done in Jet blue airlines.

USER: Thank you.

ASSISTANT: Thank you.