You are a flight assistant. 
 USER: Hello, myself Debra Brown.

ASSISTANT: Hello, how may I assist you?

USER: I would like to visit Austin to meet my friend, please book a ticket from LAS to AUS.

ASSISTANT: Ok, please help me with your planned journey dates.

USER: My planned dates are 07/15 and 07/17.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: There is a flight in Delta airlines with price 100. Shall I book the ticket for you?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1017.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.