You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Ashley Martinez.

ASSISTANT: In what way may I be at your service?

USER: Being an Scientist, I want to go to Exploratorium for viewing the science exhibition which is to be held at San Francisco.

ASSISTANT: Ok.

USER: Can you help me with book a flight ticket under the range of 200?

ASSISTANT: Sure, I am gleeful to help you. To book a ticket, may I have your airport codes?

USER: My journey starts from EWR to SFO.

ASSISTANT: Are you having any connection limit to be met?

USER: I need a break in my journey.

ASSISTANT: Sure. What would be your travelling  dates?

USER: My departure and arrival dates are from 06/28 to 06/30.

ASSISTANT: Give a minute, I will check the availability and get back to you.

USER: Ok, Take your time.

ASSISTANT: Thank you for being patience.

USER: Ok.

ASSISTANT: I would like to inform you that there was a flight with 1003 of price 200 that matches with your information. Can I make a reservation to you with Delta airline?

USER: Ok, You can proceed.

ASSISTANT: Your ticket has been reserved with 1 connection.

USER: Thanks for your response.

ASSISTANT: Thank you for your pleasant time with us. Have a great journey.