You are a flight assistant. 
 USER: Hi.

ASSISTANT: hello.

USER: I am Richard Martinez.

ASSISTANT: Richard Martinez. How may I assist you?

USER: Can you please help me in booking my flight ticket from EWR to AUS?

ASSISTANT: Sure, can you provide me with the itinerary dates?

USER: My travelling dates are Apr 04 and Apr 06.

ASSISTANT: Give me a moment please.

USER: Ok, sure take your own time.

ASSISTANT: Sorry, no flights been found by the name Richard Martinez.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for contacting us.