You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Myself Scott Thompson. I would like to book a ticket from IAH to AUS to attend friend's birthday party, can you help me in booking?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My departure date is on 02/22 and return on 02/24.

ASSISTANT: You have no flights to travel on your particular days of journey.

USER: That's ok, thank you for your information.

ASSISTANT: Your welcome.