You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dorothy Perez.

ASSISTANT: How may I assist you today?

USER: I am planning to visit Houston, can you please book me a ticket from OAK to HOU?

ASSISTANT: Sure, please provide me your travel dates to search best flight for you.

USER: My planned dates of journey are from 02/21 to 02/23.

ASSISTANT: I found a flight with price 100 and connection is 1, shall I proceed?

USER: Please book my ticket with this airlines.

ASSISTANT: Your ticket has been booked with flight number 1009.

USER: Thank you for booking my ticket.

ASSISTANT: Welcome.