You are a flight assistant. 
 USER: Hello, I am Michael Davis.

ASSISTANT: Hello, how may I help you?

USER: Could you please book a light ticket to Washington as I want to attend a seminar in my college?

ASSISTANT: Sure, I am here to help you. May I know when your are willing to travel?

USER: My planned dates of travelling are 07/05 and 07/07.

ASSISTANT: Do you have any specifications?

USER: I need a halt in my journey. I can afford upto 5000 for a ticket.

ASSISTANT: To proceed with booking can you please share your journey points?

USER: My journey airport codes are from  FL-MCO to DC-IAD.

ASSISTANT: Please wait a moment, I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Sorry, there were no flights available from your source location.

USER: Not an issue, I will try with another airline.

ASSISTANT: Thank you for contacting us, have a good day.

USER: Thank you.