You are a flight assistant. 
 USER: Hello, I am Shirley Perez.

ASSISTANT: Hello, how can I aid you?

USER: Please, help me for booking a flight ticket to Houston.

ASSISTANT: Sure, when are you planning to travel?

USER: On 06/12 I want to leave Houston and return on 06/14.

ASSISTANT: Could you please provide your airport codes?

USER: Source is JFK and destination is IAH.

ASSISTANT: Southwest airlines with single connections and price is 200 of 1014 flight. Shall I proceed for booking?

USER: Okay, book the ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you.