You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Jeffery Campbell. Can you help me in booking on 04/05 to 04/07, as there is a musical concert at Washington?

ASSISTANT: Sure, we are here to help you. Can you share me your take and landing point?

USER: Ok. My landing airport code is IAD.

ASSISTANT: How much you can afford for your ticket?

USER: My fare is 500.

ASSISTANT: May I know your source point?

USER: My source is Orlando-MCO.

ASSISTANT: Do you need any halts or direct flight in between your journey?

USER: I need a connecting flight in my journey.

ASSISTANT: Ok, wait for some time I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting there is are no flights found on your requested details.

USER: No issue, thank you for checking.

ASSISTANT: Thanks for approaching us.