You are a flight assistant. 
 USER: Hello,. I am Amanda Adams.

ASSISTANT: Hello, How may I render you today?

USER: I am planning to visit White house at Washington with my friends, can you please book me a flight ticket with fare of 500?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Could you please help me by sharing your trip dates?

USER: I want to travel on 05/25 and need to catch return flight on 05/27.

ASSISTANT: Ok, may I know the airport code of Washington?

USER: Washington, IAD is the airport code.

ASSISTANT: From which airport are you willing to travel to reach Washington?

USER:  I need to leave from my nearest airport New York, EWR.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, there is a connecting flight to Seattle in Delta airlines.

USER: Ok, proceed with the booking.

ASSISTANT: We provide you a seat in economy class with a fare of 200.

USER: It is perfect.

ASSISTANT: Your ticket is booked with flight number 1018.

USER: Thanks for the kind help.

ASSISTANT: Thank you for choosing us.