You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mark Jones.

ASSISTANT: How can I guide you?

USER: I want to meet my childhood friend in Austin.Can you help me to reach AUS from OAK?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to travel on 02/21 and 02/23.

ASSISTANT: Give me a minute. There is a flight with number 1004 in airline Hawaiian. Can I book it?

USER: Ok, proceed with booking.

ASSISTANT: Your ticket is booked, have a safe trip.

USER: Thank you for helping me out.

ASSISTANT: Thank you for reaching us.