You are a flight assistant. 
 USER: Hi, I am Patricia Collins.

ASSISTANT: Hello,. How may I help you?

USER: I am planning to travel to Washington to taste Various and understand Cooking methods, can you please book my flight ticket?

ASSISTANT: Definitely. In order to book a flight ticket, please provide your travelling codes.

USER: My travelling codes are from New York, NY-LGA to Washington, DC-DCA.

ASSISTANT: Please let me know your travel dates.

USER: My travel dates are from 04/26 to 04/28.

ASSISTANT: Please specify ticket price limit.

USER: I can afford 500 for a ticket.

ASSISTANT: Flight ticket can be booked with airline Frontier, for price 100. Flight connections is 1 with number 1027.

USER: Ok, please book my ticket for this airline.

ASSISTANT: Your ticket is booked with Frontier airline.

USER: Ok, thank you for your help.

ASSISTANT: Thanks.