You are a flight assistant. 
 USER: Hi. I am Eric Johnson.

ASSISTANT: Hello, how can I support you today?

USER: I am planning to conduct a seminar on social issues in my college at Washington.

ASSISTANT: Ok.

USER: Can you help me in my booking?

ASSISTANT: Sure, I am euphoric to help you.

USER: Thank you.

ASSISTANT: May I know your starting date of journey?

USER: I will start my journey on 11/10.

ASSISTANT: How much you can afford for this journey?

USER: Make sure that, my price limit should not exceed 5000.

ASSISTANT: Let me know your boarding and landing points.

USER: My source airport code is Los Angeles, CA - LAX. My destination airport code is Washington, DC - IAD.

ASSISTANT: When you will catch the return flight?

USER: I will catch my return flight on 11/12.

ASSISTANT: Please, wait.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for being patience, there is a direct flight availble with your given specified dates. Shall I proceed.

USER: Do not proceed.

ASSISTANT: Ok.

USER: Thank you for your quick response.

ASSISTANT: Thank you for reaching us.