You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Martinez.

ASSISTANT: How may I help you, Karen?

USER: I am planning to visit Austin to meet my friend, can you please book me a ticket from LAX to AUS?

ASSISTANT: Sure, please provide me your trip dates.

USER: My preferable journey dates are from 06/11 to 06/13.

ASSISTANT: Please wait for a minute.

USER: Sure, take your own time.

ASSISTANT: I found a flight in Hawaiian airlines with price 100. Shall I book the ticket for you?

USER: Please book my ticket with this airlines.

ASSISTANT: Your ticket is confirmed with flight 1021.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for contacting us.