You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Frank Smith.

ASSISTANT: How can I assist you?

USER: I am planning to visit Washington, will you help me in booking the flight ticket from PHL to DCA?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates?

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

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: Hawaiian airlines is having a flight on that route with ticket fare of 100, shall I proceed for booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: I have successfully booked your ticket with flight-1003, have a safe journey.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.