You are a flight assistant. 
 USER: Hi. I am Mary Parker.

ASSISTANT: Hello. How may I be of your service?

USER: I want to book a connecting flight ticket to attend an event. Can you help me?

ASSISTANT: Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: Do you have any class preference?

USER: I need a economy class.

ASSISTANT: please let me know if you have any airline preference.

USER: I need a low-cost airline within the fare 500.

ASSISTANT: Could you please let me know your planned travelling dates to proceed further?

USER: 01/08  and 01/10 are my travelling dates.

ASSISTANT: Kindly share your boarding and landing airport codes to proceed further.

USER: SFO and IAD are my nearest airport codes.

ASSISTANT: Ok, please wait a while.

USER: Ok.

ASSISTANT: Thank you for waiting, Jet Blue airlines is providing a service for you with single connection and price 100. Shall I book the ticket?

USER: You can reserve it.

ASSISTANT: Your ticket has been reserved with the flight number-1000.

USER: Thank you for your service.

ASSISTANT: It's pleasure to serve you.