You are a flight assistant. 
 USER: Hi, I am Mary Martinez.

ASSISTANT: Hello,Welcome to Will Agency. How can I help you Mary?

USER: I need a connecting flight to Washington to meet my uncle, can you book a ticket for me?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 03/16 to 03/18.

ASSISTANT: May I know your airport codes?

USER: Its from SFO to DCA.

ASSISTANT: May I know your price limit?

USER: The price of the ticket should be under 500.

ASSISTANT: There is a Frontier 1006 airline which matches your requirements. Shall I proceed with that airline?

USER: You can.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for approaching us.