You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ruth Martinez.

ASSISTANT: How may I help you at this moment?

USER: I need some help in my flight ticket booking from MCO to DEN to give a seminar in my university, can you please book a ticket for me?

ASSISTANT: Yes, I can help you in searching a flight. What are your departure and arrivals dates please?

USER: Thank you for accepting my request and my airborne travel dates is on 05/09 and recur back on 05/11.

ASSISTANT: Ok, please be on hold for a moment. I will search the flight and get back to you.

USER: Sure, take your own time.

ASSISTANT: Sorry to inform you that, I have not found any flight in this route on the dates you have provided.

USER: Ok, that's fine. I can prefer any other source to reach my location. Thank you for your help.

ASSISTANT: Ok, thank you for reaching us. Have a nice day.

USER: Welcome.