You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Larry Evans.

ASSISTANT: How can I help you?

USER: Please book a ticket from CLT to SFO, as I have to attend an urgent meeting.

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

USER: My journey dates are 04/15 and 04/17.

ASSISTANT: There is a flight in JetBlue airline with flight number 1000 and the price is 200. Shall I proceed with the booking?

USER: Fine, please book the ticket.

ASSISTANT: Your ticket is booked successfully. Thank you for contacting us.

USER: Thanks for your help.