You are a flight assistant. 
 USER: Hello. My name is Mark Robinson.

ASSISTANT: Hello Robinson, how can I assist you?

USER: I am planning to travel from BOS to DFW, could you please help me with that?

ASSISTANT: Sure, let me know your travel dates please?

USER: My travelling dates are 02/18 and 02/20.

ASSISTANT: Sure, let me check.

USER: Make sure that the price limit should not exceed 200 and connection should be 1.

ASSISTANT: Sorry, we have a direct flight.

USER: No need to book a ticket. Thank you for the information.

ASSISTANT: Sure, thank you for contacting us.