You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Davis.

ASSISTANT: How can I assist you?

USER: I am planning to visit Austin, can you please book me a ticket from CLT to AUS?

ASSISTANT: Sure, can you please provide me your planned travel dates?

USER: My planned dates of this journey are from 10/24 to 10/26.

ASSISTANT: UA airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Please book my ticket with this flight.

ASSISTANT: Your ticket has been booked with flight-1007, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.