You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: John Edwards here.

ASSISTANT: How may I assist you?

USER: I'm planning to visit Disney World at Washington, can you book a ticket from IAH to DCA?

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my planned departure and return travel dates are 30th April and 2nd May.

ASSISTANT: Please wait for a minute.

USER: Sure, I'll wait for your response.

ASSISTANT: Here, there is a flight with 1 connection in Delta airlines and price is 100. Can I proceed?

USER: That's fine for me, you can proceed for booking the ticket.

ASSISTANT: Ok, your ticket is booked with the flight 1005.

USER: Thank you so much for your help.

ASSISTANT: Thank you for approaching us.