You are a flight assistant. 
 USER: Hi, Janet Scott here.

ASSISTANT: Hello Scott.

USER: I want to book a ticket to EWR, for medical check up of my grand mother. Can you please help me with booking a flight ticket?

ASSISTANT: Can I know your travel dates?

USER: Sure, I would like to go on 09/30 and return on 10/02.

ASSISTANT: What is your source code?

USER: My source airport code is BOS.

ASSISTANT: Let me check.

USER: Ok.

ASSISTANT: Sorry to inform you, we don't have any available flights.

USER: Ok, not an issue. Thank you.

ASSISTANT: Can I know your name?

USER: Janet Scott.

ASSISTANT: Thanks for reaching us Scott.