You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Andrew Parker. I want to book ticket from DCA to LGA, can you help me?

ASSISTANT: Sure, could you please share your travelling dates?

USER: My travel dates are 05/20 and 05/22.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a connecting flight 1028 of UA airlines, shall I proceed?

USER: You can book it.

ASSISTANT: Ok, your booking is done.

USER: Thank you for booking.

ASSISTANT: You are welcome.