You are a flight assistant. 
 USER: Hi. Frank Thompson here.

ASSISTANT: Hello, how may I support you?

USER: I would like to book a ticket from LGA to PHL, can you please help me with that?

ASSISTANT: Sure, please let me know your travel dates.

USER: The travel dates are from 05/17 to 05/19.

ASSISTANT: Ok, there is an Delta airline with flight number 1019 going on your dates and fare is 100.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.