You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christopher Edwards.

ASSISTANT: How may I guide you today?

USER: Can you help me to find a flight from MSP to IAD?

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

USER: My travelling dates are July, 15 and July, 17.

ASSISTANT: Do you have any specifications? I am sorry to say that there is no reservation found under your details.

USER: That's fine, thanks for your information.

ASSISTANT: Thank you for reaching us.