You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a direct flight flight for my journey, can you please reserve a flight ticket?

ASSISTANT: Sure, I will help you. May I know your origin and destination airport codes please?

USER: Thank you for considering my request, I will prefer MCO and IAD as my origin and destination airports respectively.

ASSISTANT: May I know your planned journey dates please?

USER: My boarding is on Apr 07 and please book my return ticket on Apr 09.

ASSISTANT: Can I have your name please for booking purpose?

USER: Sure, my name is Daniel King.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I would prefer direct flight.

ASSISTANT: May I know your class preference?

USER: I don't have any class preference.

ASSISTANT: Can I have your specific timings of your journey?

USER: No, thank you for asking.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Daniel King, no flights has been found on your planned travel dates.

USER: Oh! No issues, I will reach another booking agency. Thank you for the information.

ASSISTANT: Thank you for reaching us.