You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Emma Davis.

ASSISTANT: How can I assist you Davis?

USER: I want to book a ticket from LAX to IAH.

ASSISTANT: May I know your travel dates please?

USER: The journey dates are from 05/15 to 05/17. Price and connection limits should be 5000 and 1.

ASSISTANT: Please wait a moment.

USER: OK fine.

ASSISTANT: Sorry Emma, there is no flights available as per your request.

USER: OK that's fine.

ASSISTANT: Thank you for contacting us, have a good day.