You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am George Walker, I want to book a flight ticket to meet my friend on his birthday, help me to book a flight ticket under fare of 5000.

ASSISTANT: Sure, could you please let me know your travel dates?

USER: I like to travel on 09/15 and return on 09/17.

ASSISTANT: Can you please share your boarding and landing points?

USER: I will fly from DC-IAD to DC-DCA.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a Spirit airline with flight number 1014. Price 200 with a single connection.

USER: Please proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for booking flight ticket for me.

ASSISTANT: Thank you for reaching us.