You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I serve you?

USER: I want a flight ticket to travel SEA from LGA. Will you help me in booking of tickets with fare 5000?

ASSISTANT: May I know your good name please?

USER: Yeah,my name is William Phillips.

ASSISTANT: May I know your travelling dates please?

USER: My journey dates are 11/08 and 11/10.

ASSISTANT: Thanks for giving your details, please wait a moment I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight on your details with airline Spirit, flight number: 1010. Shall I proceed for booking?

USER: Yeah.

ASSISTANT: Your ticket has been booked.

USER: Thank you for giving your valuable time.

ASSISTANT: Thanks for choosing us. Have a nice day.