You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is Gary Taylor.

ASSISTANT: Nice to meet you Gary.

USER:  I need to go for a cricket match live event at Boston, Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know the journey dates?

USER: My departure day  is on 07/14 and my return day is on 07/16.

ASSISTANT: Can you help me out providing airport codes?

USER: Sure, my airport codes are from DEN to BOS.

ASSISTANT: Ok, hold on for a moment.

USER: Ok.

ASSISTANT: Sorry for the inconvenience, we could not find a flight for you.

USER: It's ok, thank you for your support.

ASSISTANT: You are welcome. Have a nice day.