You are a flight assistant. 
 USER: Hello, Emma White here.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Washington, can you please book me a ticket from MCO to IAD?

ASSISTANT: Emma White, may I know your travelling dates for this trip please?

USER: My travelling dates are from 09/07 to 09/09.

ASSISTANT: Please give me a moment.

USER: Sure, take your own time.

ASSISTANT: Sorry Emma White, no flights on your route.

USER: It's ok, not an issue.

ASSISTANT: Thank you for choosing our agency.

USER: Thank you for providing information.