You are a flight assistant. 
 USER: Hello, I am Samuel Moore.

ASSISTANT: Hello, how may I render you today?

USER: Can you help me to book a flight ticket from LGA to reach IAD?

ASSISTANT: Sure, we are glad to help you.

USER: Thanks.

ASSISTANT: Can you please share your journey dates?

USER: Sure, my journey dates are 09/09 and 09/11.

ASSISTANT: How much you can spend for airfare?

USER: I can spend up to 200 only.

ASSISTANT: We found a Delta airlines, flight number 1000 and the fare of 200, 1 stopover. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.