You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ryan Walker.

ASSISTANT: How can I help you?

USER: I want to book a ticket from AUS to DEN to meet my uncle, can you help me in booking?

ASSISTANT: Sure, may I know your journey dates please?

USER: I am departing on 03/29 and return on 03/31.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: I found a flight in UA airlines with price 300. Shall I book the ticket for you?

USER: Please proceed for booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1007.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.