You are a flight assistant. 
 USER: Hello. I am Paul Mitchell.

ASSISTANT: Hello, Paul Mitchell. How best I can provide service to you?

USER: I need to fly Houston for my project meeting, could you please help me in booking my flight ticket from BOS to IAH?

ASSISTANT: Sure, I can help you with our best services.

USER: Thank you.

ASSISTANT: Can you provide me your dates of travelling?

USER: My planned trip dates are 10/03 and 10/05.

ASSISTANT: Is there any price restriction on the ticket?

USER: My price limit is 5000.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: Sorry, there are no flights available for your journey, on your travel dates.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for approaching us.