You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Lisa Hernandez here.

ASSISTANT: How can I aid you Lisa?

USER: I want to meet my movie producer, so please book my ticket from DCA to LAX.

ASSISTANT: Sure, please mention your itinerary dates.

USER: My itinerary dates are 07/07 and 07/09.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: AA airlines is available for you with flight 1018.

USER: Book my ticket.

ASSISTANT: Lisa, your booking is done.

USER: Thank you.

ASSISTANT: Thank you for contacting us.