You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be at your service?

USER: I am Lisa Green. Can you please help me in booking my flight ticket from PHX to HOU?

ASSISTANT: Sure, may I know your preferred travel dates?

USER: My travelling dates are 09/09 and 09/11.

ASSISTANT: Ok, do you have any other specifications?

USER: I need single connection flight.

ASSISTANT: Delta airline is providing a flight 1000 on your required dates and the tariff is 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.