You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I have to go Houston for my film shooting purpose, can you please book a flight ticket from New York?

ASSISTANT: Sure, help me with the journey dates.

USER: My departure date is 06/29 and please book my return ticket also on 07/01.

ASSISTANT: May I know your airport codes? May I know your name?

USER: I want to fly from LGA airport and destination airport is IAH. Sure, my name is Michelle Roberts.

ASSISTANT: There is a flight with number 1027 in airline Spirit. Can I book it?

USER: Please confirm this flight ticket for me.

ASSISTANT: Your ticket is reserved, happy journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.