You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christine Thompson.

ASSISTANT: How can I aid you today?

USER: I need to book a flight ticket from Boston, MA-BOS to Las Vegas, NV-LAS. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you, may I know your fare limit?

USER: I can pay up to 5000.

ASSISTANT: Could you please help me with your travelling dates?

USER: My departure is on 05/12 and return is on 05/14.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a  Hawaiian 1010 airline with fare of 100 which matches your travelling dates.

USER: You can proceed with booking. Thank you for your quick service.

ASSISTANT: Your booking has been confirmed on name of  Christine Thompson.

USER: Thank you.

ASSISTANT: Thank you for approaching us, have a nice day.