You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Timothy Adams.

ASSISTANT: Nice to meet you.

USER: I want to attend my friend's marriage at Austin, could you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your travelling details?

USER: My travelling dates are 04/03 and 04/05. Source airport code is EWR and destination airport code is AUS.

ASSISTANT: Ok, wait a moment.

USER: Sure.

ASSISTANT: Sorry, no flights had been found on your details.

USER: That's ok.

ASSISTANT: Thank you for choosing us.

USER: Thank you for the information.