You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: my name is Matthew Gonzalez.

ASSISTANT: Matthew, which service do you want for today?

USER: I am planning to travel from DCA to SFO, could you please help me with booking a flight ticket?

ASSISTANT: Sure, Matthew. May I know on which dates you want to travel?

USER: My travelling dates are 05/15 and 05/17.

ASSISTANT: Matthew, please give me a moment, I will be back with the best service for you.

USER: Ok.

ASSISTANT: Happy to inform you that there is an available flight for you from JetBlue airline with flight number 1025. Shall I book it for you, Matthew?

USER: Make sure that the price limit should not exceed 500.

ASSISTANT: This flight will cost you only 100.

USER: Please confirm the booking.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for the help.

ASSISTANT: It's our pleasure. Thank you for choosing us.