You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Patrick Nelson here.

ASSISTANT: How can I help you?

USER: Can you help me to find a flight from CLT to DCA?

ASSISTANT: Sure, I am ready to help you. Can you please share your trip dates?

USER: My travelling dates are 04/28 and 04/30.

ASSISTANT: Please be on a hold.

USER: Sure.

ASSISTANT: I have found a flight in UA airlines which is having 1 connection and price is 100. Can I proceed for booking?

USER: You can proceed with booking.

ASSISTANT: Ok, your ticket is booked with the flight number 1018.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us, have a safe journey.