You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nancy Lewis here.

ASSISTANT: How can I be a helping hand to you?

USER: I want to book a flight ticket from IAD to SFO. Can you please help me in booking?

ASSISTANT: Sure, our service can help you in that flight ticket reservation. Can you please provide your moving dates of your journey?

USER: My trip dates are from 11/25 to 11/27.

ASSISTANT: Ok, let me check with this information in our website. Please give me a moment.

USER: Sure, take your time.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by JetBlue airlines. Shall I proceed with this flight?

USER: Ok, please proceed.

ASSISTANT: Ok, your flight ticket booking is done in 1025 flight number and have a happy journey.

USER: Thank you for your service.

ASSISTANT: You are most welcome and thank you for reaching us.