You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Emily Campbell.

ASSISTANT: How may I aid you today?

USER: I am looking for a some one help in my flight ticket reservation that I could not place it from past two days, can you help me in that flight booking?

ASSISTANT: Yes, I can help you with the ticket booking.

USER: Thank you.

ASSISTANT: Which airports do you prefer to travel?

USER: The regional airport codes are from CLT to DTW.

ASSISTANT: Ok, on which dates you are willing to travel?

USER: I would like to board on 11/25 and land on 11/27.

ASSISTANT: I am really sorry to inform you that, there are no flights available on the dates you have provided to me.

USER: Oh! sad to hear that from your end but anyways thank you for your help.

ASSISTANT: My pleasure. Thank you for consulting us.

USER: Most welcome.