You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Kimberly Walker, would like to travel from IAD to HOU. Can you help me in booking?

ASSISTANT: Ok, please share your travel dates too.

USER: My travelling dates are 12/27 and 12/29.

ASSISTANT: I found a flight-1003 with connection 1 and its cost's 100 of Spirit airline, is it ok for you?

USER: Sure, I am fine with that flight. Please proceed with booking.

ASSISTANT: Ok, your reservation is done.

USER: Thank you for your help.

ASSISTANT: It's my pleasure.