You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Can you please check for the flights on the route from Philadelphia to Houston for my business trip?

ASSISTANT: Ok, sure I will help you with that.

USER: Thank you.

ASSISTANT: Please tell me your desired travelling dates?

USER: My journey dates are from Dec 26th to Dec 28th.

ASSISTANT: Can you please tell me your depart and arrival timings?

USER: Any time is fine, thanks for asking.

ASSISTANT: May I know your airline preference?

USER: I would prefer only normal cost airline for my journey.

ASSISTANT: Please let me know your travelling airport codes?

USER: My journey codes are from PHL to IAH.

ASSISTANT: Do you have any connection limit?

USER: I need 1 connecting flight.

ASSISTANT: May I know your name to proceed for further?

USER: My name is Michelle Martinez.

ASSISTANT: Do you have any class preference?

USER: Not any specified, any class is ok for me.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: I have searched a flight ticket in normal - cost airline and fare of this ticket is 100 and ticket is available in economy class provided by American Airline.Shall I proceed with booking?

USER: Please book it for me.

ASSISTANT: Ok, your ticket is confirmed successfully on your name.

USER: Thank you for helping me with booking.

ASSISTANT: Thank you for connecting with us.

USER: You are welcome.