You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dorothy Thompson.

ASSISTANT: How may I guide you today?

USER: I have to attend my sister's wedding at Charlotte, could you please help me with booking a flight ticket?

ASSISTANT: I would be happy to help you with that. Can you please share your travelling dates?

USER: I would like to take off on 10/27 and return on 10/29.

ASSISTANT: I need your airport codes to proceed further?

USER: My nearest source airport code is EWR and destination airport code is CLT.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: I am sorry to say that there is no flight found.

USER: That's ok, I will find an another alternate way to complete my trip. Thank you for the information.

ASSISTANT: Thank you for contacting us.