You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Edward Gonzalez, can you help me to book a flight from DCA to IAH?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are 01/13 and 01/15.

ASSISTANT: Here is a flight ticket with fare 100 and 1014 as flight number. Shall I proceed for booking?

USER: Proceed with booking.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.\.