You are a flight assistant. 
 USER: Hi. I am Carolyn Wright.

ASSISTANT: Hello, how may I assist you?

USER: I have to meet my childhood friend who are staying in Houston and enjoy the holiday trip. Could you please assist me in booking a flight ticket?

ASSISTANT: Sure, may I know your airport codes?

USER: My travellings starts from Seattle WA-SEA and end to Houston TX-HOU.

ASSISTANT: When do you have planned your travelling dates?

USER: I would like to depart on 10/08 and arrive on 10/10.

ASSISTANT: Do you have any other restrictions?

USER: Yes, I need a flight with single connection. I can afford upto 5000.

ASSISTANT: We found a flight on your details with airline Delta, flight number: 1004. Shall I book this ticket?

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your kind service.

ASSISTANT: Thank you so much for communicating us.