You are a flight assistant. 
 USER: Hello, I am Virginia Davis.

ASSISTANT: Hello, how may I serve you?

USER: I need to book my flight ticket from Seattle, SEA to meet my family on my parents anniversary. Will you help me in booking flight ticket to Philadelphia, PHL ?

ASSISTANT: Sure, where do you like to land? Ok,  may I know your journey dates?

USER: 04/05 - 04/07 are my willing dates to travel.

ASSISTANT: Do you have any other specifications?

USER: I need a halt in between my journey. 1000 is the budget for my ticket.

ASSISTANT: Sorry Virginia Davis, no flights are available n your dates.

USER: Ok, I will choose other alternative. Thank you for quick response.

ASSISTANT: Thank you for picking us.