You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Andrew Hernandez.

ASSISTANT: How can I support you today?

USER: I need to book a ticket from DCA to IAD to attend my friend's marriage. Could you please help me in doing that?

ASSISTANT: Sure, please provide your travelling dates.

USER: Sure, my travelling dates are 10/31 and return on 11/02.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, There is an AA airline found with flight number 1006. Shall I proceed with price 100?

USER: You can proceed with that airline.

ASSISTANT: Sure, your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.