You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dorothy Thomas.

ASSISTANT: How can I assist you today?

USER: I am planning to attend music concert at MCO, can you please help  me with booking a flight ticket from EWR?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Sure, I would like to take off on Feb 18 and return on Feb 20.

ASSISTANT: Do you have any specifications?

USER: Yes, I would like to depart during morning time.

ASSISTANT: Do you have any other preferences?

USER: I prefer business class with 1 connection.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Welcome, have a great day.