You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need a direct flight under normal cost airlines so, can you please help me in booking a flight ticket?

ASSISTANT: Sure, please share me your travelling dates?

USER: My travelling dates are 08/15 and 08/17.

ASSISTANT: Kindly mention me your airport codes?

USER: New York, NY - EWR is my source airport and Washington DC - IAD is my destination airport.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry to inform you that there are no flights found with your specifications.

USER: Ok, that's not an issue.

ASSISTANT: Can we have your name for the documentary?

USER: Sure, Carol Harris is my name.

ASSISTANT: Thank you for reaching ud.

USER: Thanks for the information.