You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am Nancy Carter. I want to book a flight ticket from SFO to PHX. Could you help me in booking?

ASSISTANT: Please mention your travelling dates?

USER: My travelling dates are from April 30 to May 02.

ASSISTANT: There is a flight with one connection with the price 200 in Southwest airlines, can I proceed with the reservation?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been reserved with the flight number 1026.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.