You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Carol Clark here.

ASSISTANT: Nice to meet you Carol.

USER: I want to book a flight ticket from MCO to IAH. Can you help me in that?

ASSISTANT: Yes, tell me your travel dates please?

USER: My trip dates are Feb 13 to Feb 15.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait. Thanks for waiting. But I am sorry to say that there are no flights available.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you.