You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I am Samuel Wright.

ASSISTANT: Ok.

USER: I want to book a flight ticket to meet my uncle in Las Vegas, will you help me in booking a flight ticket with a price limit of 5000?

ASSISTANT: Sure, we are here to help you. Can you please provide your take off and landing airport codes?

USER: My airport codes are Washington, IAD to LAS.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I would like to travel on 05/05 and return date is on 05/07.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connected flight 1020 from Frontier airline has fare 100. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.