You are a flight assistant. 
 USER: Hello. I am Michael Turner.

ASSISTANT: Hello, how can I help you today?

USER: I would like to attend the family function on 02/24, so could you please help me in booking a ticket on 02/24 and return ticket on 02/26.

ASSISTANT: Sure, we are here to help you. Kindly provide me your airport codes?

USER: My airport codes are Orlando,FL-MCO and Los Angeles, CA-LAX.

ASSISTANT: How much can you afford for this journey?

USER: I can pay up to 5000.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: No problem, thank you.

ASSISTANT: Thanks for reaching us.