You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid you?

USER: I intend to meet my parents at Houston, TX - HOU. Can you help me book a flight ticket from Los Angeles, CA - LAX?

ASSISTANT: Sure, may I know your trip dates.

USER: They are planned to be on 03/06 and 03/08.

ASSISTANT: There is a connecting flight with number 1003 in airline UA.

USER: Book my ticket on the name of Anna Campbell.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.