You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michelle Hernandez.

ASSISTANT: In which way I can aid you today?

USER: I want to book a ticket from MCO to SEA to attend seminar, can you help me in booking?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: I am departing on July 20 and return on July 22.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I am ok with any time.

ASSISTANT: Do you have any another specifications?

USER: I want to depart in afternoon.

ASSISTANT: Ok, please wait a moment, I will check flight availability in this route.

USER: Sure, take your time.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.