You are a flight assistant. 
 USER: Hello. Myself Jonathan Williams.

ASSISTANT: Hello, how may I aid you?

USER: I need to travel from IAD to IAH, can you please reserve flight ticket for my journey?

ASSISTANT: Sure, I am glad to help you. May I know your travel dates?

USER: My travelling dates are Jan,19 and Jan,21.

ASSISTANT: Do you have any specifications?

USER: My depart time should be in the evening.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Here, there is a flight with 1 connection in UA airlines and price is 100. Shall I proceed for booking?

USER: Please proceed with the reservation.

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

USER: Thank you for reserving my flight ticket.

ASSISTANT: Thank you for reaching us.