You are a flight assistant. 
 USER: Hello. I am Lisa Davis.

ASSISTANT: Hello, how can I help you?

USER: I would like to go for a sports festival as I am a cricket champion. Could you please book a ticket from IAH to EWR?

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

USER: My departure will be on 01/09 and return will be on 01/11.

ASSISTANT: Do you require any stopovers in your journey?

USER: Yes, I need a stopover.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry to say no flights found with your details.

USER: Ok, no issue.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thanks for your response.