You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Karen Hill.

ASSISTANT: What can I do for you?

USER: I want to visit my girlfriend on her birthday, could you help me in booking the ticket?

ASSISTANT: Yes, can you please provide the airport codes?

USER: They are from MSP to HOU.

ASSISTANT: Can you please provide the dates?

USER: It's from 06/30 to 07/02.

ASSISTANT: There is flight 1025 of AA airlines is available. Shall I book the ticket?

USER: Please book the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me out.

ASSISTANT: Thank you for reaching us.Have a safe journey.