You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Timothy Mitchell.

ASSISTANT: How may I guide you today?

USER: I am planning to visit Korean war veterans memorial in DCA. Can you avail me to book a flight under fare of 1000?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My journey dates are May 29 and recur on May 31.

ASSISTANT: May I know your source airport code?

USER: My source is from LAS.

ASSISTANT: Do you have any specifications?

USER: No, I don't have any specifications.

ASSISTANT: I found a ticket for you with price of 100, flight number is 1000 and connection is 1.

USER: Please proceed.

ASSISTANT: Is it ok for you? I confirmed your ticket successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.