You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Jessica Wilson here. I want to reserve my ticket from DEN to JFK, can you please help me in this?

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

USER: Thank you.

ASSISTANT: Can I have your travel dates please?

USER: Sure, my planned dates of journey are from 03/03 to 03/05.

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

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Jessica Wilson, no flight is available to you on your dates due to some technical issues.

USER: Ok, that's fine. Thank you for your service.

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