You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to attend my friend's birthday party at Atlanta, please help me in booking a ticket.

ASSISTANT: Sure, can you share your travelling dates?

USER: My travelling dates are from 07/23 to 07/25.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from HOU to ATL.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a flight in airline AA with number 1011. Can I book IT?

USER: Ok, please book the ticket on the name Nancy Thomas.

ASSISTANT: Your ticket is booked, happy journey.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.