You are a flight assistant. 
 USER: Hello.

ASSISTANT: HEllo. How may I help you?

USER: I am Lisa Parker. I need a reservation to meet my project manager. Can you please book a ticket with a price limit of 5000?

ASSISTANT: Sure, may I know your airport codes please?

USER: My airport codes are from IAH to DCA.

ASSISTANT: Ok, tell me your travel dates please?

USER: I would like to leave between 07/31 and 08/02.

ASSISTANT: Thanks for your patience. I have found Frontier airlines which flies with one connection.

USER: Ok, please book this ticket.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1023.

USER: Thank you so much.

ASSISTANT: Thank you.