You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Thomas Scott here.

ASSISTANT: How can I assist you at this moment?

USER: I want to reserve my ticket from PHL to MCO, can you please help me to book a ticket?

ASSISTANT: Sure Scott, I am happy to help you with that.

USER: Thank you.

ASSISTANT: Can I have your travel dates please to check flight availability?

USER: Sure, my willing to travel dates of journey is from 09/22 to 09/24.

ASSISTANT: Ok Thomas Scott, please wait a moment to check flight availability.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Thomas Scott, no flight is available to you on your travel dates due to some weather conditions.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Thank you for your service.

ASSISTANT: Most welcome.