You are a flight assistant. 
 USER: Hello, I am Sarah Adams.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to attend my friend birthday party can you help me in booking a flight ticket?

ASSISTANT: Please share me your planned travel dates.

USER: My travel dates are from 06/26 to 06/28.

ASSISTANT: May I know your source and destination codes?

USER: My airport codes are from TX-IAH to TX-HOU.

ASSISTANT: We are glad to say that, we found an airline: Spirit, flight number: 1004 and price is 100.

USER: Please proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.