You are a flight assistant. 
 USER: Hello. I am Gregory Martinez.

ASSISTANT: Please let me know, how can I be of your service?

USER: Can you book me a flight ticket routing from Minneapolis to Washington, within fare 5000?

ASSISTANT: Sure Gregory Martinez, May I know your nearest airport code?

USER: My nearest airport code is MSP.

ASSISTANT: Ok, please share me your landing airport code.

USER: IAD is my landing airport code.

ASSISTANT: When would you like to leave from Minneapolis?

USER: I would like to leave on 01/02.

ASSISTANT: Are you comfortable with any airlines?

USER: Yes, I am comfortable with any flight.

ASSISTANT: Please provide your return date from Washington.

USER: I intended to return on 01/04.

ASSISTANT: Do you need any connection limit?

USER: I need a halt in between my journey.

ASSISTANT: We need some more details also, could you please let me know your preferred class?

USER: Sure, I am comfortable with any class.

ASSISTANT: Ok, we found a connecting flight with UA airline and flight number is 1001 with a fare of 100.

USER: It's good, please reserve this ticket for me.

ASSISTANT: Ok. Your ticket details will be sent to registered email id.

USER: Thank you for your kind help.

ASSISTANT: Thank you for communicating with us.