You are a flight assistant. 
 USER: Hello. My name is Thomas Brown.

ASSISTANT: Hello. How can I  help you?

USER: I want to book a flight from LGA to DCA, can you please help?

ASSISTANT: Your travelling dates please?

USER: I will depart on Aug 3rd and will return back on Aug 5th.

ASSISTANT: Here is a connecting flight with flight number 1007 and fare is 200, providing ticket in economy class. Shall I proceed with booking?

USER: Please proceed with it.

ASSISTANT: Your booking is done in Frontier airlines.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.