You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Nicole Walker.

ASSISTANT: Walker, how can I help you today?

USER: I need to schedule my trip to travel Houston. Can you please help me in booking the ticket from DCA to IAH?

ASSISTANT: Sure, I am at your service to help you. Can you please provide your planned dates?

USER: I will drop-off 04/11 and again I will retrieve on 04/13.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Here is a flight-1004 with 1 connection limit, costs 100 from Delta airlines. Shall I proceed?

USER: Yes, please proceed for this flight.

ASSISTANT: Walker, your booking is done.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for reaching us.