You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ashley Garcia here.

ASSISTANT: How may I assist you today?

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

ASSISTANT:  Sure, I am here to help you out. Please provide me your trip dates to find an enhanced flight in your route.

USER: Thank you for accepting my request, I am planning to depart on 11/23 and I would like to return on 11/25.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your travel dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to go there. Thank you for the information.

ASSISTANT: My pleasure.