You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Larry Gonzalez here.

ASSISTANT: How can I assist you today?

USER: I need to reserve a ticket from MCO to IAH, can you help me in doing that?

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

USER: My trip dates are Mar 17 to 19.

ASSISTANT: Do you have any limits about flight connections?

USER: I need a connecting flight.

ASSISTANT: Do you have any preferences about class?

USER: No.

ASSISTANT: Do you have any other preferences?

USER: My return time is in morning.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. There are no flights found under your preferable details.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Welcome, have a great day.