You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Jack Wilson from Seattle.

ASSISTANT: Nice to meet you.

USER: I need your help in booking of a flight ticket from SEA to IAD for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Please provide your trip dates.

USER: Thank you, I want to take off on May 06 and please confirm my return ticket also on May 08.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there is no flights available.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Most welcome.