You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: John Thompson here. I am a librarian, I have to attend a book exhibition in EWR.

ASSISTANT: May I know the dates of journey?

USER: My journey dates are 03/19 and 03/21.

ASSISTANT: Can you share the origin airport code?

USER: I am travelling from CLT.

ASSISTANT: There is a flight with number 1005 and airline UA.

USER: Please book my ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for assisting me.

ASSISTANT: Happy journey.