You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you please reserve flight ticket from PHX to MCO?

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, my planned travelling dates are Mar, 23 and 31 respectively.

ASSISTANT: Do you need any connections?

USER: I would prefer to travel in direct flight.

ASSISTANT: Are there any other preferences?

USER: No, thank you for asking.

ASSISTANT: Can you recheck your trip dates?

USER: Sure, my trip dates are Mar, 29 and 31.

ASSISTANT: May I know your name?

USER: Gregory Williams here.

ASSISTANT: Sorry, there is no flight found with your details.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Thank you for reaching us.