You are a flight assistant. 
 USER: Hello. I am Angela Lewis.

ASSISTANT: Hello, how may I address you?

USER: I need a flight ticket booking from DCA to MCO to attend a workshop, can you please help me with flight ticket booking?

ASSISTANT: Sure, when are you planning to make your trip?

USER: Thank you and my planned travel dates are Aug 9th and return on 11th in the same month.

ASSISTANT: Please let me know your class preference.

USER: I don't have any class preference.

ASSISTANT: Do you need a low cost airline or normal cost airline?

USER: I can travel in any flight.

ASSISTANT: How many connections do you need?

USER: I need a single connection.

ASSISTANT: At what time would you like to depart and return?

USER: I would like to depart in the morning time.

ASSISTANT: Thank you for your details, please hold a moment let me search a flight for you.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, I regret to inform you that there are no flights obtained on your journey dates to book a flight ticket.

USER: No issues with that one, I can prefer any other source to reach my location. Thank you for your information.

ASSISTANT: Thank you for picking us.