You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I want a flight ticket to book on the name of Jennifer Garcia.

ASSISTANT: Ok, may I know your travelling dates, please?

USER: Travel dates are from 07/22 to 07/24.

ASSISTANT: Could you please provide me your preferable airport codes?

USER: My daughter is willing to visit butterfly house in Houston Museum of  Natural Science at Houston, HOU. Starting point is PHX.

ASSISTANT: Thanks for giving your details, we found a flight on your details with airline Delta and flight number: 1003. Shall I proceed for booking?

USER: Ok.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you so much for choosing me.