You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Betty Campbell.

ASSISTANT: Yes, Betty.

USER: I am planning for the trip to San Francisco to visit the famous place that is Ghirardelli Square. Can you help me in reserving a flight ticket?

ASSISTANT: Sure, I am here to help you out. Please share me your location airport codes.

USER: I will fly from IAH  to PHL.

ASSISTANT: May I know your trip dates?

USER: My travelling dates are 06/22 to 06/24.

ASSISTANT: Here is a flight with 1 stop and price is 100. Can I proceed with it?

USER: You can book it.

ASSISTANT: Your ticket has been booked with 1021 flight in Spirit aiurlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.