You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Dorothy King. Can you help me in booking from MCO to AUS, as there is a conference meeting at Austin?

ASSISTANT: Nice to meet you Dorothy. Sure, can you share your travel dates please?

USER: My trip dates are 03/20 to 03/22.

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

USER: No issue, thank you.

ASSISTANT: Thank you.